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Smith V, Delaney H, Hunter A, Torgerson D, Treweek S, Gamble C, Mills N, Stanbury K, Dempsey E, Daly M, O'Shea J, Weatherup K, Deshpande S, Ryan MA, Lowe J, Black G, Devane D. The development and acceptability of an educational and training intervention for recruiters to neonatal trials: the TRAIN project. BMC Med Res Methodol 2023; 23:265. [PMID: 37951890 PMCID: PMC10638723 DOI: 10.1186/s12874-023-02086-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 10/28/2023] [Indexed: 11/14/2023] Open
Abstract
BACKGROUND Suboptimal or slow recruitment affects 30-50% of trials. Education and training of trial recruiters has been identified as one strategy for potentially boosting recruitment to randomised controlled trials (hereafter referred to as trials). The Training tRial recruiters, An educational INtervention (TRAIN) project was established to develop and assess the acceptability of an education and training intervention for recruiters to neonatal trials. In this paper, we report the development and acceptability of TRAIN. METHODS TRAIN involved three sequential phases, with each phase contributing information to the subsequent phase(s). These phases were 1) evidence synthesis (systematic review of the effectiveness of training interventions and a content analysis of the format, content, and delivery of identified interventions), 2) intervention development using a Partnership (co-design/co-creation) approach, and 3) intervention acceptability assessments with recruiters to neonatal trials. RESULTS TRAIN, accompanied by a comprehensive intervention manual, has been designed for online or in-person delivery. TRAIN can be offered to recruiters before trial recruitment begins or as refresher sessions during a trial. The intervention consists of five core learning outcomes which are addressed across three core training units. These units are the trial protocol (Unit 1, 50 min, trial-specific), understanding randomisation (Unit 2, 5 min, trial-generic) and approaching and engaging with parents (Unit 3, 70 min, trial-generic). Eleven recruiters to neonatal trials registered to attend the acceptability assessment training workshops, although only four took part. All four positively valued the training Units and resources for increasing recruiter preparedness, knowledge, and confidence. More flexibility in how the training is facilitated, however, was noted (e.g., training divided across two workshops of shorter duration). Units 2 and 3 were considered beneficial to incorporate into Good Clinical Practice Training or as part of induction training for new staff joining neonatal units. CONCLUSION TRAIN offers a comprehensive co-produced training and education intervention for recruiters to neonatal trials. TRAIN was deemed acceptable, with minor modification, to neonatal trial recruiters. The small number of recruiters taking part in the acceptability assessment is a limitation. Scale-up of TRAIN with formal piloting and testing for effectiveness in a large cluster randomised trial is required.
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Affiliation(s)
- V Smith
- School of Nursing and Midwifery, University of Dublin, Trinity College Dublin, Dublin, Ireland.
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), University of Galway, Galway, Ireland.
| | - H Delaney
- School of Nursing and Midwifery, University of Dublin, Trinity College Dublin, Dublin, Ireland
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), University of Galway, Galway, Ireland
| | - A Hunter
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), University of Galway, Galway, Ireland
- School of Nursing and Midwifery, University of Galway, Galway, Ireland
| | - D Torgerson
- York Trials Unit, University of York, York, YO10 5DD, UK
| | - S Treweek
- Health Services Research Unit, Trial Forge, University of Aberdeen, Aberdeen, UK
| | - C Gamble
- Liverpool Clinical Trials Centre, University of Liverpool, Liverpool, UK
| | - N Mills
- QuinteT, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - K Stanbury
- National Perinatal Epidemiology Unit (NPEU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - E Dempsey
- INFANT Centre, University College Cork, Cork, Ireland
| | - M Daly
- Irish Neonatal Health Alliance, Public and Patient Involvement Contributor, Bray, Co-Wicklow, Ireland
| | - J O'Shea
- Public and Patient Involvement Contributor, Royal Hospital for Children, Glasgow, UK
| | - K Weatherup
- Public and Patient Involvement Contributor, Oxford, UK
| | | | - M A Ryan
- INFANT Centre, University College Cork, Cork, Ireland
| | - J Lowe
- Centre for Trials Research, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK
| | - G Black
- Royal Hospital for Children and Young People, Edinburgh, UK
| | - D Devane
- Health Research Board-Trials Methodology Research Network (HRB-TMRN), University of Galway, Galway, Ireland
- School of Nursing and Midwifery, University of Galway, Galway, Ireland
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Cochrane A, Booth A, Walker I, Morgan S, Mitchell A, Barlow-Pay M, Hewitt C, Taylor B, Chapman C, Raftery J, Fleming J, Torgerson D, Parkes J. Examining the effectiveness of Gateway-an out-of-court community-based intervention to reduce recidivism and improve the health and well-being of young adults committing low-level offences: study protocol for a randomised controlled trial. Trials 2021; 22:939. [PMID: 34923999 PMCID: PMC8684788 DOI: 10.1186/s13063-021-05905-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/01/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Young adult offenders represent a third of the UK prison population and are at risk of poor health outcomes including drug and alcohol misuse, self-harm and suicide. Court diversion interventions aim to reduce the negative consequences of formal criminal justice sanctions and focus resources on addressing the root causes of offending. Although diversions are widely used, evidence of their effectiveness has not yet been established. Hampshire Constabulary, working together with local charities, have developed the Gateway programme, an out-of-court intervention aimed at improving the life chances of young adults. Issued as a conditional caution, participants undertake a health and social care needs assessment, attend workshops encouraging analysis of own behaviour and its consequences and agree not to re-offend during the 16-week caution. METHODS This is a pragmatic, multi-site, parallel-group, superiority randomised controlled trial with a target sample size of 334. Participants are aged 18-24, reside in Hampshire and Isle of Wight and are being questioned for an eligible low-level offence. Police investigators offer potential participants a chance to receive the Gateway caution, and those interested are also invited to take part in the study. Police officers obtain Stage 1 consent and carry out an eligibility check, after which participants are randomised on a 1:1 basis either to receive Gateway or follow the usual process, such as court appearance or a different conditional caution. Researchers subsequently obtain Stage 2 consent and collect data at weeks 4 and 16, and 1 year post-randomisation. The primary outcome is the Warwick-Edinburgh Mental Well-being Scale (WEMWBS). Secondary outcomes include health status, alcohol and drug use, recidivism and resource use. The primary analysis will compare the WEMWBS score between the two groups at 12 months. DISCUSSION This pioneering trial aims to address the evidence gap surrounding diversion in 18-24-year-olds. The findings will inform law enforcement agencies, third sector organisations, policymakers and commissioners, as well as researchers working in related fields and with vulnerable target populations. TRIAL REGISTRATION International Standard Randomised Controlled Trial Register ( ISRCTN 11888938 ).
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Affiliation(s)
- A Cochrane
- York Trials Unit, Department of Health Sciences, University of York, Heslington, York, YO10 5DD, UK
| | - A Booth
- York Trials Unit, Department of Health Sciences, University of York, Heslington, York, YO10 5DD, UK.
| | - I Walker
- Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, UK
| | - S Morgan
- Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, UK
| | - A Mitchell
- York Trials Unit, Department of Health Sciences, University of York, Heslington, York, YO10 5DD, UK
| | - M Barlow-Pay
- Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, UK
| | - C Hewitt
- York Trials Unit, Department of Health Sciences, University of York, Heslington, York, YO10 5DD, UK
| | - B Taylor
- Hampshire Constabulary, Southampton Central Police Station, Southampton, SO15 1AN, UK
| | - C Chapman
- Hampshire Constabulary, Southampton Central Police Station, Southampton, SO15 1AN, UK
| | - J Raftery
- Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, UK
| | - J Fleming
- Department of Sociology, Social Policy and Criminology, University of Southampton, Southampton, SO17 1BJ, UK
| | - D Torgerson
- York Trials Unit, Department of Health Sciences, University of York, Heslington, York, YO10 5DD, UK
| | - J Parkes
- Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, UK
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Condurache CI, Chiu S, Chotiyarnwong P, Johansson H, Shepstone L, Lenaghan E, Cooper C, Clarke S, Khioe RFS, Fordham R, Gittoes N, Harvey I, Harvey NC, Heawood A, Holland R, Howe A, Kanis JA, Marshall T, O'Neill TW, Peters TJ, Redmond NM, Torgerson D, Turner D, McCloskey E. Screening for high hip fracture risk does not impact on falls risk: a post hoc analysis from the SCOOP study. Osteoporos Int 2020; 31:457-464. [PMID: 31960099 DOI: 10.1007/s00198-019-05270-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 12/17/2019] [Indexed: 12/30/2022]
Abstract
UNLABELLED A reduction in hip fracture incidence following population screening might reflect the effectiveness of anti-osteoporosis therapy, behaviour change to reduce falls, or both. This post hoc analysis demonstrates that identifying high hip fracture risk by FRAX was not associated with any alteration in falls risk. INTRODUCTION To investigate whether effectiveness of an osteoporosis screening programme to reduce hip fractures was mediated by modification of falls risk in the screening arm. METHODS The SCOOP study recruited 12,483 women aged 70-85 years, individually randomised to a control (n = 6250) or screening (n = 6233) arm; in the latter, osteoporosis treatment was recommended to women at high risk of hip fracture, while the control arm received usual care. Falls were captured by self-reported questionnaire. We determined the influence of baseline risk factors on future falls, and then examined for differences in falls risk between the randomisation groups, particularly in those at high fracture risk. RESULTS Women sustaining one or more falls were slightly older at baseline than those remaining falls free during follow-up (mean difference 0.70 years, 95%CI 0.55-0.85, p < 0.001). A higher FRAX 10-year probability of hip fracture was associated with increased likelihood of falling, with fall risk increasing by 1-2% for every 1% increase in hip fracture probability. However, falls risk factors were well balanced between the study arms and, importantly, there was no evidence of a difference in falls occurrence. In particular, there was no evidence of interaction (p = 0.18) between baseline FRAX hip fracture probabilities and falls risk in the two arms, consistent with no impact of screening on falls in women informed to be at high risk of hip fracture. CONCLUSION Effectiveness of screening for high FRAX hip fracture probability to reduce hip fracture risk was not mediated by a reduction in falls.
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Affiliation(s)
- C I Condurache
- Centre for Integrated Research in Musculoskeletal Aging, University of Sheffield Medical School, Sheffield, UK
- Department of Oncology and Metabolism, Academic Unit of Bone Metabolism, The Mellanby Centre For Bone Research, University of Sheffield, Sheffield, UK
| | - S Chiu
- Centre for Integrated Research in Musculoskeletal Aging, University of Sheffield Medical School, Sheffield, UK
- Department of Oncology and Metabolism, Academic Unit of Bone Metabolism, The Mellanby Centre For Bone Research, University of Sheffield, Sheffield, UK
| | - P Chotiyarnwong
- Department of Oncology and Metabolism, Academic Unit of Bone Metabolism, The Mellanby Centre For Bone Research, University of Sheffield, Sheffield, UK
- Department of Orthopaedic Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - H Johansson
- Centre for Metabolic Diseases, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK
- Centre for Bone and Arthritis Research (CBAR), Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Victoria, Australia
| | - L Shepstone
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - E Lenaghan
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
- Oxford Biomedical Research Unit, University of Oxford, Oxford, UK
| | - S Clarke
- Department of Rheumatology, University Hospitals Bristol, Bristol, UK
| | - R F S Khioe
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - R Fordham
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - N Gittoes
- Centre for Endocrinology, Diabetes and Metabolism, Queen Elizabeth Hospital, Birmingham, UK
| | - I Harvey
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - N C Harvey
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - A Heawood
- Bristol Medical School, University of Bristol, Bristol, UK
| | - R Holland
- Leicester Medical School, Centre for Medicine, University of Leicester, Leicester, UK
| | - A Howe
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - J A Kanis
- Centre for Metabolic Diseases, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK
- Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Victoria, Australia
| | - T Marshall
- Norfolk and Norwich University Hospital, Norwich, UK
| | - T W O'Neill
- NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
- Centre for Epidemiology Versus Arthritis, University of Manchester, Manchester, UK
| | - T J Peters
- Bristol Medical School, University of Bristol, Bristol, UK
| | - N M Redmond
- Bristol Medical School, University of Bristol, Bristol, UK
- National Institute for Health Research Collaborations for Leadership in Applied Health Research and Care West (NIHR CLAHRC West), University Hospitals Bristol NHS Foundation, Bristol, UK
| | - D Torgerson
- Department of Health Sciences, University of York, York, UK
| | - D Turner
- Norwich Medical School, University of East Anglia, Norwich, UK
| | - E McCloskey
- Centre for Integrated Research in Musculoskeletal Aging, University of Sheffield Medical School, Sheffield, UK.
- Department of Oncology and Metabolism, Academic Unit of Bone Metabolism, The Mellanby Centre For Bone Research, University of Sheffield, Sheffield, UK.
- Centre for Metabolic Diseases, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK.
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Parsons CM, Harvey N, Shepstone L, Kanis JA, Lenaghan E, Clarke S, Fordham R, Gittoes N, Harvey I, Holland R, Redmond NM, Howe A, Marshall T, Peters TJ, Torgerson D, O'Neill TW, McCloskey E, Cooper C. Systematic screening using FRAX ® leads to increased use of, and adherence to, anti-osteoporosis medications: an analysis of the UK SCOOP trial. Osteoporos Int 2020; 31:67-75. [PMID: 31606826 PMCID: PMC6952271 DOI: 10.1007/s00198-019-05142-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 08/20/2019] [Indexed: 12/01/2022]
Abstract
UNLABELLED In the large community-based SCOOP trial, systematic fracture risk screening using FRAX® led to greater use of AOM and greater adherence, in women at high fracture risk, compared with usual care. INTRODUCTION In the SCreening of Older wOmen for Prevention of fracture (SCOOP) trial, we investigated the effect of the screening intervention on subsequent long-term self-reported adherence to anti-osteoporosis medications (AOM). METHODS SCOOP was a primary care-based UK multicentre trial of screening for fracture risk. A total of 12,483 women (70-85 years) were randomised to either usual NHS care, or assessment using the FRAX® tool ± dual-energy X-ray absorptiometry (DXA), with medication recommended for those found to be at high risk of hip fracture. Self-reported AOM use was obtained by postal questionnaires at 6, 12, 24, 36, 48 and 60 months. Analysis was limited to those who initiated AOM during follow-up. Logistic regression was used to explore baseline determinants of adherence (good ≥ 80%; poor < 80%). RESULTS The mean (SD) age of participants was 75.6 (4.2) years, with 6233 randomised to screening and 6250 to the control group. Of those participants identified at high fracture risk in the screening group, 38.2% of those on treatment at 6 months were still treated at 60 months, whereas the corresponding figure for the control group was 21.6%. Older age was associated with poorer adherence (OR per year increase in age 0.96 [95% CI 0.93, 0.99], p = 0.01), whereas history of parental hip fracture was associated with greater rate adherence (OR 1.67 [95% CI 1.23, 2.26], p < 0.01). CONCLUSIONS Systematic fracture risk screening using FRAX® leads to greater use of AOM and greater adherence, in women at high fracture risk, compared with usual care.
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Affiliation(s)
- C M Parsons
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, SO16 6YD, UK
| | - N Harvey
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, SO16 6YD, UK
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | | | - J A Kanis
- Centre for Metabolic Bone Diseases, University of Sheffield, Sheffield, UK
- Institute for Health and Ageing, Catholic University of Australia, Melbourne, Australia
| | | | - S Clarke
- Bristol Medical School, University of Bristol, Bristol, UK
| | - R Fordham
- University of East Anglia, Norwich, UK
| | - N Gittoes
- Centre for Endocrinology, Diabetes and Metabolism, Queen Elizabeth Hospital, Birmingham, UK
| | - I Harvey
- University of East Anglia, Norwich, UK
| | - R Holland
- University of East Anglia, Norwich, UK
| | - N M Redmond
- Bristol Medical School, University of Bristol, Bristol, UK
- NIHR CLAHRC West, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
| | - A Howe
- University of East Anglia, Norwich, UK
| | | | - T J Peters
- Bristol Medical School, University of Bristol, Bristol, UK
| | | | - T W O'Neill
- Arthritis Research UK Centre for Epidemiology, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- NIHR Manchester Biomedical Research Centre, Manchester University Hospitals Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - E McCloskey
- Centre for Metabolic Bone Diseases, University of Sheffield, Sheffield, UK
- Mellanby Centre for Bone Research, Centre for Integrated Research in Musculoskeletal Ageing, University of Sheffield, Sheffield, UK
- Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, SO16 6YD, UK.
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK.
- NIHR Oxford Biomedical Research Centre, University of Oxford, Oxford, UK.
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Hashmi F, Fairhurst C, Cockayne S, Cullen M, Bell K, Coleman E, Harrison‐Blount M, Torgerson D. The
EV
erT2 (Effective Verruca Treatments 2) trial: a randomized controlled trial of needling vs. nonsurgical debridement for the treatment of plantar verrucae. Br J Dermatol 2017; 177:1285-1292. [DOI: 10.1111/bjd.15751] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2017] [Indexed: 11/29/2022]
Affiliation(s)
- F. Hashmi
- School of Health Sciences University of Salford Brian Blatchford Building Salford M6 6PU U.K
| | - C. Fairhurst
- Department of Health Sciences University of York York Trials Unit, ARRC Building, Ground Floor York YO10 5DD U.K
| | - S. Cockayne
- Department of Health Sciences University of York York Trials Unit, ARRC Building, Ground Floor York YO10 5DD U.K
| | - M. Cullen
- School of Health Sciences University of Salford Brian Blatchford Building Salford M6 6PU U.K
| | - K. Bell
- Department of Health Sciences University of York York Trials Unit, ARRC Building, Ground Floor York YO10 5DD U.K
| | - E. Coleman
- Department of Health Sciences University of York York Trials Unit, ARRC Building, Ground Floor York YO10 5DD U.K
| | - M. Harrison‐Blount
- School of Health Sciences University of Salford Brian Blatchford Building Salford M6 6PU U.K
| | - D. Torgerson
- Department of Health Sciences University of York York Trials Unit, ARRC Building, Ground Floor York YO10 5DD U.K
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Kitchener H, Gittins M, Cruickshank M, Moseley C, Fletcher S, Albrow R, Gray A, Brabin L, Torgerson D, Crosbie EJ, Sargent A, Roberts C. A cluster randomized trial of strategies to increase uptake amongst young women invited for their first cervical screen: The STRATEGIC trial. J Med Screen 2017; 25:88-98. [PMID: 28530513 PMCID: PMC5956569 DOI: 10.1177/0969141317696518] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Objectives To measure the feasibility and effectiveness of interventions to increase cervical screening uptake amongst young women. Methods A two-phase cluster randomized trial conducted in general practices in the NHS Cervical Screening Programme. In Phase 1, women in practices randomized to intervention due for their first invitation to cervical screening received a pre-invitation leaflet and, separately, access to online booking. In Phase 2, non-attenders at six months were randomized to one of: vaginal self-sample kits sent unrequested or offered; timed appointments; nurse navigator; or the choice between nurse navigator or self-sample kits. Primary outcome was uplift in intervention vs. control practices, at 3 and 12 months post invitation. Results Phase 1 randomized 20,879 women. Neither pre-invitation leaflet nor online booking increased screening uptake by three months (18.8% pre-invitation leaflet vs. 19.2% control and 17.8% online booking vs. 17.2% control). Uptake was higher amongst human papillomavirus vaccinees at three months (OR 2.07, 95% CI 1.69–2.53, p < 0.001). Phase 2 randomized 10,126 non-attenders, with 32–34 clusters for each intervention and 100 clusters as controls. Sending self-sample kits increased uptake at 12 months (OR 1.51, 95% CI 1.20–1.91, p = 0.001), as did timed appointments (OR 1.41, 95% CI 1.14–1.74, p = 0.001). The offer of a nurse navigator, a self-sample kits on request, and choice between timed appointments and nurse navigator were ineffective. Conclusions Amongst non-attenders, self-sample kits sent and timed appointments achieved an uplift in screening over the short term; longer term impact is less certain. Prior human papillomavirus vaccination was associated with increased screening uptake.
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Affiliation(s)
- H Kitchener
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - M Gittins
- 2 Centre for Biostatistics, Institute of Population Health, The University of Manchester, Manchester, UK
| | - M Cruickshank
- 3 Department of Obstetrics and Gynaecology, Aberdeen Maternity Hospital, Aberdeen, UK
| | - C Moseley
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - S Fletcher
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - R Albrow
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - A Gray
- 4 Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - L Brabin
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - D Torgerson
- 5 Department of Health Sciences, University of York, York, UK
| | - E J Crosbie
- 1 Institute of Cancer Sciences, The University of Manchester, St. Mary's Hospital, Manchester, UK
| | - A Sargent
- 6 Virology Department, Central Manchester University Hospitals NHS Foundation Trust, Manchester, UK
| | - C Roberts
- 2 Centre for Biostatistics, Institute of Population Health, The University of Manchester, Manchester, UK
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Calabrese D, Boettger R, Dewey K, Hui C, Torgerson D, Faust H, Rajalingam R, Hays S, Singer J, Shah R, Leard L, Kukreja J, Golden J, Greenland J. Impact of CYP3A5, CYP3A4, and ABCB1 Genotypes on Lung Transplant Recipient Early Clinical Outcomes. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Jefferson L, Fairhurst C, Cooper E, Hewitt C, Torgerson T, Cook L, Tharmanathan P, Cockayne S, Torgerson D. No difference found in time to publication by statistical significance of trial results: a methodological review. JRSM Open 2016; 7:2054270416649283. [PMID: 27757242 PMCID: PMC5052771 DOI: 10.1177/2054270416649283] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Objective Time-lag from study completion to publication is a potential source of publication bias in randomised controlled trials. This study sought to update the evidence base by identifying the effect of the statistical significance of research findings on time to publication of trial results. Design Literature searches were carried out in four general medical journals from June 2013 to June 2014 inclusive (BMJ, JAMA, the Lancet and the New England Journal of Medicine). Setting Methodological review of four general medical journals. Participants Original research articles presenting the primary analyses from phase 2, 3 and 4 parallel-group randomised controlled trials were included. Main outcome measures Time from trial completion to publication. Results The median time from trial completion to publication was 431 days (n = 208, interquartile range 278–618). A multivariable adjusted Cox model found no statistically significant difference in time to publication for trials reporting positive or negative results (hazard ratio: 0.86, 95% CI 0.64 to 1.16, p = 0.32). Conclusion In contrast to previous studies, this review did not demonstrate the presence of time-lag bias in time to publication. This may be a result of these articles being published in four high-impact general medical journals that may be more inclined to publish rapidly, whatever the findings. Further research is needed to explore the presence of time-lag bias in lower quality studies and lower impact journals.
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Affiliation(s)
- L Jefferson
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - C Fairhurst
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - E Cooper
- Elderly medicine, York Hospital, York YO31 8HE, UK
| | - C Hewitt
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - T Torgerson
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - L Cook
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - P Tharmanathan
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - S Cockayne
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
| | - D Torgerson
- York Trials Unit, Department of Health Sciences, University of York, York YO10 5DD, UK
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Corbacho B, Duarte A, Keding A, Handoll H, Chuang LH, Torgerson D, Brealey S, Jefferson L, Hewitt C, Rangan A. Cost effectiveness of surgical versus non-surgical treatment of adults with displaced fractures of the proximal humerus. Bone Joint J 2016; 98-B:152-9. [DOI: 10.1302/0301-620x.98b2.36614] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Aims A pragmatic multicentre randomised controlled trial (PROFHER) was conducted in United Kingdom National Health Service (NHS) hospitals to evaluate the clinical effectiveness and cost effectiveness of surgery compared with non-surgical treatment for displaced fractures of the proximal humerus involving the surgical neck in adults. Methods A cost utility analysis from the NHS perspective was performed. Differences between surgical and non-surgical treatment groups in costs and quality adjusted life years (QALYs) at two years were used to derive an estimate of the cost effectiveness of surgery using regression methods. Results Patients randomised to receive surgical intervention accumulated mean greater costs and marginally lower QALYs than patients randomised to non-surgery. The surgical intervention cost a mean of £1758 more per patient (95% confidence intervals (CI) £1126 to £2389). Total QALYs for the surgical group were smaller than those for non-surgery -0.0101 (95% CI -0.13 to 0.11). The probability of surgery being cost effective was less than 10% given the current NICE willingness to pay at a threshold of £20 000 for an additional QALY. The results were robust to sensitivity analyses. Discussion The results suggest that current surgical treatment is not cost effective for the majority of displaced fractures of the proximal humerus involving the surgical neck in the United Kingdom’s NHS. Take home message: The results of this trial do not support the trend of increased surgical treatment for patients with displaced fractures of the proximal humerus involving the surgical neck within the United Kingdom NHS. Cite this article: Bone Joint J 2016;98-B:152–9.
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Affiliation(s)
- B. Corbacho
- University of York, Heslington, York, YO10
5DD, UK
| | - A. Duarte
- Centre for Health Economics, University
of York, Alcuin Block A, University
of York, York, YO10 5DD, UK
| | - A. Keding
- University of York, Heslington, York, YO10
5DD, UK
| | - H. Handoll
- Teesside University, Middlesbrough, Tees
Valley, TS1 3BA, UK
| | - L. H. Chuang
- Pharmerit Europe, Marten
Meesweg 107, 3068 AV Rotterdam, The
Netherlands
| | - D. Torgerson
- University of York, Heslington, York, YO10
5DD, UK
| | - S. Brealey
- University of York, Heslington, York, YO10
5DD, UK
| | - L. Jefferson
- University of York, Heslington, York, YO10
5DD, UK
| | - C. Hewitt
- University of York, Heslington, York, YO10
5DD, UK
| | - A. Rangan
- James
Cook University Hospital, Marton Road, Middlesbrough, TS4
3BW, UK
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10
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Fletcher S, Waterman H, Nelson L, Carter L, Dwyer L, Roberts C, Torgerson D, Kitchener H. Holistic assessment of women with hyperemesis gravidarum: A randomised controlled trial. Int J Nurs Stud 2015. [DOI: 10.1016/j.ijnurstu.2015.06.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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11
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Lambert H, Frassetto L, Moore JB, Torgerson D, Gannon R, Burckhardt P, Lanham-New S. The effect of supplementation with alkaline potassium salts on bone metabolism: a meta-analysis. Osteoporos Int 2015; 26:1311-8. [PMID: 25572045 DOI: 10.1007/s00198-014-3006-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 12/12/2014] [Indexed: 12/26/2022]
Abstract
UNLABELLED The role of acid-base metabolism in bone health is controversial. In this meta-analysis, potassium bicarbonate and potassium citrate lowered urinary calcium and acid excretion and reduced the excretion of the bone resorption marker NTX. These salts may thus be beneficial to bone health by conserving bone mineral. INTRODUCTION The role of acid-base homeostasis as a determinant of bone health and the contribution of supplemental alkali in promoting skeletal integrity remain a subject of debate. The objective of this study was, therefore, to conduct a meta-analysis to assess the effects of supplemental potassium bicarbonate (KHCO3) and potassium citrate (KCitr) on urinary calcium and acid excretion, markers of bone turnover and bone mineral density (BMD) and to compare their effects with that of potassium chloride (KCl). METHODS A total of 14 studies of the effect of alkaline potassium salts on calcium metabolism and bone health, identified by a systematic literature search, were analysed with Review Manager (Version 5; The Cochrane Collaboration) using a random-effects model. Authors were contacted to provide missing data as required. Results are presented as the standardised (SMD) or unstandardized mean difference (MD) (95 % confidence intervals). RESULTS Urinary calcium excretion was lowered by intervention with both KHCO3 (P = 0.04) and KCitr (P = 0.01), as was net acid excretion (NAE) (P = 0.002 for KHCO3 and P = 0.0008 for KCitr). Both salts significantly lowered the bone resorption marker NTX (P < 0.00001). There was no effect on bone formation markers or BMD. KHCO3 and KCitr lowered calcium excretion to a greater extent than did KCl. CONCLUSIONS This meta-analysis confirms that supplementation with alkaline potassium salts leads to significant reduction in renal calcium excretion and acid excretion, compatible with the concept of increased buffering of hydrogen ions by raised circulating bicarbonate. The observed reduction in bone resorption indicates a potential benefit to bone health.
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Affiliation(s)
- H Lambert
- Nutritional Sciences Department, Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK,
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12
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Jha V, Winterbottom A, Symons J, Thompson Z, Quinton N, Corrado OJ, Melville C, Watt I, Torgerson D, Wright J. Patient-led training on patient safety: a pilot study to test the feasibility and acceptability of an educational intervention. Med Teach 2013; 35:e1464-e1471. [PMID: 23527865 DOI: 10.3109/0142159x.2013.778391] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Training in patient safety is an important element of medical education. Most educational interventions on patient safety training adopt a 'health-professional lens' with limited consideration on the impact of safety lapses on the patient and their families and little or no involvement of patients in the design or delivery of the training. AIMS This paper describes a pilot study to test the feasibility and acceptability of implementing a patient-led educational intervention to facilitate safety training amongst newly qualified doctors. METHOD Patients and/or carers who had experienced harm during their care shared narratives of their stories with trainees; this was followed by a focused discussion on patient safety issues exploring the causes and consequences of safety incidents and lessons to be learned from these. RESULTS The intervention, which will be further tested in an NIHR-funded randomised controlled trial (RCT), was successfully implemented into an existing training programme and found acceptance amongst the patients and trainees. CONCLUSION The pilot study proved to be a useful step in refining the intervention for the RCT including identifying appropriate outcome measures and highlighting organisational issues.
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13
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Shepstone L, Fordham R, Lenaghan E, Harvey I, Cooper C, Gittoes N, Heawood A, Peters TJ, O'Neill T, Torgerson D, Holland R, Howe A, Marshall T, Kanis JA, McCloskey E. A pragmatic randomised controlled trial of the effectiveness and cost-effectiveness of screening older women for the prevention of fractures: rationale, design and methods for the SCOOP study. Osteoporos Int 2012; 23:2507-15. [PMID: 22314936 DOI: 10.1007/s00198-011-1876-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Accepted: 11/28/2011] [Indexed: 11/25/2022]
Abstract
SCOOP is a UK seven-centre, pragmatic, randomised controlled trial with 5-year follow-up, including 11,580 women aged 70 to 85 years, to assess the effectiveness and cost-effectiveness of a community-based screening programme to reduce fractures. It utilises the FRAX algorithm and DXA to assess the 10-year probability of fracture. Introduction Osteoporotic, or low-trauma, fractures present a considerable burden to the National Health Service and have major adverse effects on quality of life, disability and mortality for the individual. Methods Given the availability of efficacious treatments and a risk assessment tool based upon clinical risk factors and bone mineral density, a case exists to undertake a community-based controlled evaluation of screening for subjects at high risk of fracture, under the hypothesis that such a screening programme would reduce fractures in this population. Results This study is a UK seven-centre, unblinded, pragmatic, randomised controlled trial with a 5-year follow-up period. A total of 11,580 women, aged 70 to 85 years and not on prescribed bone protective therapy will be consented to the trial by post via primary care providing 90% power to detect an 18% decrease in fractures. Conclusions Participants will be randomised to either a screening arm or control. Those undergoing screening will have a 10-year fracture probability computed from baseline risk factors together with bone mineral density measured by DXA in selected subjects. Individuals above an age-dependent threshold of fracture probability will be recommended for treatment for the duration of the trial. Subjects in the control arm will receive 'usual care'. Participants will be followed up 6 months after randomisation and annually by postal questionnaires with independent checking of hospital and primary care records. The primary outcome will be the proportion of individuals sustaining fractures in each group. An economic analysis will be carried out to assess cost-effectiveness of screening. A qualitative evaluation will be conducted to examine the acceptability of the process to participants.
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14
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Cockayne S, Curran M, Denby G, Hashmi F, Hewitt C, Hicks K, Jayakody S, Kang’ombe A, McIntosh C, McLarnon N, Stamuli E, Thomas K, Turner G, Torgerson D, Watt I. EVerT: cryotherapy versus salicylic acid for the treatment of verrucae – a randomised controlled trial. Health Technol Assess 2011; 15:1-170. [PMID: 21899812 DOI: 10.3310/hta15320] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- S Cockayne
- Department of Health Sciences, York Trials Unit, University of York, York, UK
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15
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Watson JM, Kang'ombe AR, Soares MO, Chuang LH, Worthy G, Bland JM, Iglesias C, Cullum N, Torgerson D, Nelson EA. VenUS III: a randomised controlled trial of therapeutic ultrasound in the management of venous leg ulcers. Health Technol Assess 2011; 15:1-192. [PMID: 21375959 DOI: 10.3310/hta15130] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES To compare the clinical effectiveness and cost-effectiveness of low-dose ultrasound delivered in conjunction with standard care against standard care alone in the treatment of hard-to-heal venous ulcers. DESIGN A multicentre, pragmatic, two-armed randomised controlled trial with an economic evaluation. SETTING Community nurse services; community leg ulcer clinics; hospital outpatient leg ulcer clinics, among both urban and rural settings in England, Scotland, Northern Ireland and Ireland. PARTICIPANTS Patients with a venous leg ulcer of > 6 months' duration or > 5 cm2 and an ankle-brachial pressure index of ≥ 0.8. In total, 337 patients were recruited to the study. INTERVENTIONS Participants in the intervention group received low-dose ultrasound (0.5 W/cm2) delivered at 1 MHz, pulsed pattern of 1 : 4, applied to periulcer skin (via a water-based contact gel) weekly for up to 12 weeks alongside standard care. Standard care consisted of low-adherent dressings and compression therapy, renewed as recommended by the patient's nurse and modified if required to reflect changes in ulcer and skin condition. The output of the ultrasound machines was checked every 3 months to confirm intervention fidelity. MAIN OUTCOME MEASURES The primary end point was time to healing of the largest eligible ulcer (reference ulcer). Secondary outcomes were time to healing of all ulcers, proportion of patients healed, percentage and absolute change in ulcer size, proportion of time patients were ulcer free, cost of treatments, health-related quality of life (HRQoL), adverse events, withdrawal and loss to follow-up. RESULTS There was a small, and statistically not significant, difference in the median time to complete ulcer healing of all ulcers in favour of standard care [median 328 days, 95% confidence interval (CI) 235 days, inestimable] compared with ultrasound (median 365 days, 95% CI 224 days, inestimable). There was no difference between groups in the proportion of patients with ulcers healed at 12 months (72/168 in ultrasound vs 78/169 standard care), nor in the change in ulcer size at 4 weeks. There was no evidence of a difference in recurrence of healed ulcers. There was no difference in HRQoL [measured using the Short Form questionnaire-12 items (SF-12)] between the two groups. There were more adverse events with ultrasound than with standard care. Ultrasound therapy as an adjuvant to standard care was found not to be a cost-effective treatment when compared with standard care. The mean cost of ultrasound was £197.88 (bias-corrected 95% CI -£35.19 to £420.32) higher than standard care per participant per year. There was a significant relationship between ulcer healing and area and duration at baseline. In addition, those centres with high recruitment rates had the highest healing rates. CONCLUSIONS Low-dose ultrasound, delivered weekly during dressing changes, added to the package of current best practice (dressings, compression therapy) did not increase ulcer healing rates, affect quality of life (QoL) or reduce recurrence. It was associated with higher costs and more adverse events. There is no evidence that adding low-dose ultrasound to standard care for 'hard-to-heal' ulcers aids healing, improves QoL or reduces recurrence. It increases costs and adverse events. The relationship between ulcer healing rates and patient recruitment is worthy of further study. TRIAL REGISTRATION Current Controlled Trials ISRCTN21175670. FUNDING This project was funded by the NIHR Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 15, No. 13. See the HTA programme website for further project information.
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Affiliation(s)
- J M Watson
- Department of Health Sciences, University of York, York, UK
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16
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Chuang LH, Soares MO, Watson JM, Bland JM, Cullum N, Iglesias C, Kang'ombe AR, Torgerson D, Nelson EA. Economic evaluation of a randomized controlled trial of ultrasound therapy for hard-to-heal venous leg ulcers. Br J Surg 2011; 98:1099-106. [DOI: 10.1002/bjs.7501] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/10/2011] [Indexed: 11/08/2022]
Abstract
Abstract
Background
A pragmatic, multicentre randomized controlled trial (VenUS III) was conducted to determine whether low-dose ultrasound therapy increased the healing rate of hard-to-heal leg ulcers. This study was a cost-effectiveness analysis of the trial data.
Methods
Cost-effectiveness and cost–utility analyses were conducted alongside the VenUS III trial, in which patients were randomly allocated to either ultrasound treatment administered weekly for 12 weeks along with standard care, or standard care alone. The time horizon was 12 months and based on the UK National Health Service (NHS) perspective.
Results
The base-case analysis showed that ultrasound therapy added to standard care was likely to be more costly and provide no extra benefit over standard care alone. Individuals who received ultrasound treatment plus standard care took a mean of 14·7 (95 per cent confidence interval − 32·7 to 56·8) days longer to heal, had 0·009 (−0·042 to 0·024) fewer quality-adjusted life years and had higher treatment costs by £197·88 (−35·19 to 420·32). Based on these point estimates, ultrasound therapy plus standard care for leg ulcers was dominated by standard care alone. The analysis of uncertainty showed that this treatment strategy is unlikely to be cost-effective.
Conclusion
Ultrasound treatment was not cost-effective for hard-to-heal leg ulcers and should not be recommended for adoption in the NHS. Registration number: ISRCTN21175670 (http://www.controlled-trials.com) and N0484162339 (National Research Register).
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Affiliation(s)
- L-H Chuang
- Department of Health Sciences, University of York, York, UK
| | - M O Soares
- Department of Health Sciences, University of York, York, UK
| | - J M Watson
- Department of Health Sciences, University of York, York, UK
| | - J M Bland
- Department of Health Sciences, University of York, York, UK
| | - N Cullum
- Department of Health Sciences, University of York, York, UK
| | - C Iglesias
- Department of Health Sciences, University of York, York, UK
| | - A R Kang'ombe
- Department of Health Sciences, University of York, York, UK
| | - D Torgerson
- Department of Health Sciences, University of York, York, UK
| | - E A Nelson
- School of Healthcare, University of Leeds, Leeds, UK
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17
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Ashby R, Bland JM, Cullum N, Dumville J, Hall J, Kang Ombe A, Madden M, O Meara S, Soares M, Torgerson D, Watson J. Reflections on the recommendations of the EWMA Patient Outcome Group document. J Wound Care 2010; 19:282-5. [PMID: 20616769 DOI: 10.12968/jowc.2010.19.7.48899] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- R Ashby
- Department of Health Sciences, University of York
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18
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Cullum N, Bland M, Dumville J, Iglesias C, O'Meara S, Soares M, Torgerson D, Nelson A, Worthy G. Study authors respond to points in editorial. West J Med 2009. [DOI: 10.1136/bmj.b2098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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19
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Lewis SC, Warlow CP, Bodenham AR, Colam B, Rothwell PM, Torgerson D, Dellagrammaticas D, Horrocks M, Liapis C, Banning AP, Gough M, Gough MJ. General anaesthesia versus local anaesthesia for carotid surgery (GALA): a multicentre, randomised controlled trial. Lancet 2008; 372:2132-42. [PMID: 19041130 DOI: 10.1016/s0140-6736(08)61699-2] [Citation(s) in RCA: 330] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND The effect of carotid endarterectomy in lowering the risk of stroke ipsilateral to severe atherosclerotic carotid-artery stenosis is offset by complications during or soon after surgery. We compared surgery under general anaesthesia with that under local anaesthesia because prediction and avoidance of perioperative strokes might be easier under local anaesthesia than under general anaesthesia. METHODS We undertook a parallel group, multicentre, randomised controlled trial of 3526 patients with symptomatic or asymptomatic carotid stenosis from 95 centres in 24 countries. Participants were randomly assigned to surgery under general (n=1753) or local (n=1773) anaesthesia between June, 1999 and October, 2007. The primary outcome was the proportion of patients with stroke (including retinal infarction), myocardial infarction, or death between randomisation and 30 days after surgery. Analysis was by intention to treat. The trial is registered with Current Control Trials number ISRCTN00525237. FINDINGS A primary outcome occurred in 84 (4.8%) patients assigned to surgery under general anaesthesia and 80 (4.5%) of those assigned to surgery under local anaesthesia; three events per 1000 treated were prevented with local anaesthesia (95% CI -11 to 17; risk ratio [RR] 0.94 [95% CI 0.70 to 1.27]). The two groups did not significantly differ for quality of life, length of hospital stay, or the primary outcome in the prespecified subgroups of age, contralateral carotid occlusion, and baseline surgical risk. INTERPRETATION We have not shown a definite difference in outcomes between general and local anaesthesia for carotid surgery. The anaesthetist and surgeon, in consultation with the patient, should decide which anaesthetic technique to use on an individual basis. FUNDING The Health Foundation (UK) and European Society of Vascular Surgery.
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20
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Watson J, Helliwell P, Morton V, Adebajo A, Dickson J, Russell I, Torgerson D. Shoulder acute pain in primary healthcare: is retraining effective for GP principals? SAPPHIRE--a randomized controlled trial. Rheumatology (Oxford) 2008; 47:1795-802. [DOI: 10.1093/rheumatology/ken360] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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21
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Cooper C, Jakob F, Chinn C, Martin-Mola E, Fardellone P, Adami S, Thalassinos NC, Melo-Gomes J, Torgerson D, Gibson A, Marin F. Fracture incidence and changes in quality of life in women with an inadequate clinical outcome from osteoporosis therapy: the Observational Study of Severe Osteoporosis (OSSO). Osteoporos Int 2008; 19:493-501. [PMID: 17968611 DOI: 10.1007/s00198-007-0488-8] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2007] [Accepted: 09/27/2007] [Indexed: 11/29/2022]
Abstract
UNLABELLED In this observational study of women with an inadequate clinical outcome to osteoporosis therapy, those with a fracture at baseline were more likely to sustain an incident fracture and have a worse health-related quality of life than those without prior fracture. INTRODUCTION The Observational Study of Severe Osteoporosis (OSSO) was designed to assess the fracture incidence and health-related quality of life (HRQoL) in women with an inadequate clinical outcome to osteoporosis therapy. METHODS Post-menopausal women (N=1,885) with established osteoporosis and an inadequate clinical response to osteoporosis drug therapy defined as: a) a fragility fracture despite therapy for one year (index fracture, N=988), or b) discontinued drug therapy due to adverse effects and/or non-compliance (N=897), were assessed during one year for HRQoL using the EQ-5D and the QUALEFFO questionnaires. RESULTS One hundred and sixty-six (8.8%) women had a total of 209 incident fractures (1,139 fractures/10,000 women-years). Women with an index fracture were more likely to sustain an incident fracture than those without prior fractures (hazard ratio 1.91; 95% CI: 1.37-2.66; p<0.001). Co-morbidities or antidepressant use at baseline also increased the risk of incident fracture. Median total EQ-5D Health State Values and QUALEFFO scores were worse in women with an incident fracture regardless of index fracture status. The worst scores were reported in the EQ-5D sub-domains of self-care, usual activities and pain/discomfort. CONCLUSIONS Women with an inadequate response to osteoporosis therapy had a high rate of incident fracture which had an adverse impact on HRQoL.
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Affiliation(s)
- C Cooper
- MRC Epidemiology Resource Centre, Southampton General Hospital, Southampton, UK.
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22
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Richards DA, Lovell K, Gilbody S, Gask L, Torgerson D, Barkham M, Bland M, Bower P, Lankshear AJ, Simpson A, Fletcher J, Escott D, Hennessy S, Richardson R. Collaborative care for depression in UK primary care: a randomized controlled trial. Psychol Med 2008; 38:279-287. [PMID: 17803837 DOI: 10.1017/s0033291707001365] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Collaborative care is an effective intervention for depression which includes both organizational and patient-level intervention components. The effect in the UK is unknown, as is whether cluster- or patient-randomization would be the most appropriate design for a Phase III clinical trial. METHOD We undertook a Phase II patient-level randomized controlled trial in primary care, nested within a cluster-randomized trial. Depressed participants were randomized to 'collaborative care' - case manager-coordinated medication support and brief psychological treatment, enhanced specialist and GP communication - or a usual care control. The primary outcome was symptoms of depression (PHQ-9). RESULTS We recruited 114 participants, 41 to the intervention group, 38 to the patient randomized control group and 35 to the cluster-randomized control group. For the intervention compared to the cluster control the PHQ-9 effect size was 0.63 (95% CI 0.18-1.07). There was evidence of substantial contamination between intervention and patient-randomized control participants with less difference between the intervention group and patient-randomized control group (-2.99, 95% CI -7.56 to 1.58, p=0.186) than between the intervention and cluster-randomized control group (-4.64, 95% CI -7.93 to -1.35, p=0.008). The intra-class correlation coefficient for our primary outcome was 0.06 (95% CI 0.00-0.32). CONCLUSIONS Collaborative care is a potentially powerful organizational intervention for improving depression treatment in UK primary care, the effect of which is probably partly mediated through the organizational aspects of the intervention. A large Phase III cluster-randomized trial is required to provide the most methodologically accurate test of these initial encouraging findings.
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Affiliation(s)
- D A Richards
- Department of Health Sciences, University of York, UK.
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23
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Keogh-Brown M, Bachmann M, Shepstone L, Hewitt C, Howe A, Ramsay C, Song F, Miles J, Torgerson D, Miles S, Elbourne D, Harvey I, Campbell M. Contamination in trials of educational interventions. Health Technol Assess 2007; 11:iii, ix-107. [PMID: 17935683 DOI: 10.3310/hta11430] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - M Campbell
- School of Medicine, Health Policy and Practice, University of East Anglia, Norwich, UK
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24
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Kanis JA, Oden A, Johnell O, Johansson H, De Laet C, Brown J, Burckhardt P, Cooper C, Christiansen C, Cummings S, Eisman JA, Fujiwara S, Glüer C, Goltzman D, Hans D, Krieg MA, La Croix A, McCloskey E, Mellstrom D, Melton LJ, Pols H, Reeve J, Sanders K, Schott AM, Silman A, Torgerson D, van Staa T, Watts NB, Yoshimura N. The use of clinical risk factors enhances the performance of BMD in the prediction of hip and osteoporotic fractures in men and women. Osteoporos Int 2007; 18:1033-46. [PMID: 17323110 DOI: 10.1007/s00198-007-0343-y] [Citation(s) in RCA: 807] [Impact Index Per Article: 47.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2006] [Accepted: 01/19/2007] [Indexed: 02/07/2023]
Abstract
UNLABELLED BMD and clinical risk factors predict hip and other osteoporotic fractures. The combination of clinical risk factors and BMD provide higher specificity and sensitivity than either alone. INTRODUCTION AND HYPOTHESES: To develop a risk assessment tool based on clinical risk factors (CRFs) with and without BMD. METHODS Nine population-based studies were studied in which BMD and CRFs were documented at baseline. Poisson regression models were developed for hip fracture and other osteoporotic fractures, with and without hip BMD. Fracture risk was expressed as gradient of risk (GR, risk ratio/SD change in risk score). RESULTS CRFs alone predicted hip fracture with a GR of 2.1/SD at the age of 50 years and decreased with age. The use of BMD alone provided a higher GR (3.7/SD), and was improved further with the combined use of CRFs and BMD (4.2/SD). For other osteoporotic fractures, the GRs were lower than for hip fracture. The GR with CRFs alone was 1.4/SD at the age of 50 years, similar to that provided by BMD (GR = 1.4/SD) and was not markedly increased by the combination (GR = 1.4/SD). The performance characteristics of clinical risk factors with and without BMD were validated in eleven independent population-based cohorts. CONCLUSIONS The models developed provide the basis for the integrated use of validated clinical risk factors in men and women to aid in fracture risk prediction.
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Affiliation(s)
- J A Kanis
- WHO Collaborating Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK.
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Jakob F, Marín F, Martín-Mola E, Torgerson D, Fardellone P, Adami S, Thalassinos NC, Sykes D, Melo-Gomes J, Chinn C, Nicholson T, Cooper C. Characterization of patients with an inadequate clinical outcome from osteoporosis therapy: the Observational Study of Severe Osteoporosis (OSSO). QJM 2006; 99:531-43. [PMID: 16861718 DOI: 10.1093/qjmed/hcl073] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Osteoporotic fractures remain a major public health problem. Currently available osteoporosis therapies significantly reduce the risk of fractures, but up to 50% of patients have an inadequate clinical outcome to therapy. AIM To describe the clinical and quality of life (QOL) of a study population meeting a proposed definition of inadequate clinical outcome to osteoporosis therapy, recruited for the Observational Study of Severe Osteoporosis (OSSO). DESIGN Cross-sectional, observational study. METHODS Post-menopausal women with osteoporosis (n = 2314) were divided into Group 1 (those who had previously experienced a fragility fracture despite osteoporosis drug therapy for at least 12 months) (n = 1309, 57%), or Group 2 (those who had previously discontinued osteoporosis drug therapy due to non-compliance or side-effects) (n = 1005; 43%). Baseline clinical characteristics, quality of life (QOL) and osteoporosis/falls risk factors were analysed. RESULTS The overall population had low BMD (mean +/- SD T-score at lumbar spine -3.1 +/- 1.1), and risk factors for fracture such as previous fractures (67.8%), family history (15.1%), and prolonged glucocorticoid use (17.5%). QOL was poor: total QUALEFFO and EQ-5D scores were 46.8 +/- 18.7, and 0.50 +/- 0.33, respectively. Patients in Group 1 had higher age and body mass index, fewer hours of exercise, more previous fragility fractures and falls, and poorer QOL scores. DISCUSSION Our definition of inadequate clinical outcome from osteoporosis drug therapy identifies a severe osteoporosis cohort with poor QOL and increased fracture risk. Using such a definition may lead to earlier recognition of inadequate clinical outcome to osteoporosis therapy, and improved interventions and results.
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Affiliation(s)
- F Jakob
- Orthopaedic Department, Julius-Maximilians-Universität, Wurzburg, Germany
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Gask L, Dowrick C, Dixon C, Sutton C, Perry R, Torgerson D, Usherwood T. A pragmatic cluster randomized controlled trial of an educational intervention for GPs in the assessment and management of depression. Psychol Med 2004; 34:63-72. [PMID: 14971627 DOI: 10.1017/s0033291703001065] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND General practitioners (GPs) can be provided with effective training in the skills to manage depression. However, it remains uncertain whether such training achieves health gain for their patients. METHOD The study aimed to measure the health gain from training GPs in skills for the assessment and management of depression. The study design was a cluster randomized controlled trial. GP participants were assessed for recognition of psychological disorders, attitudes to depression, prescribing patterns and experience of psychiatry and communication skills training. They were then randomized to receive training at baseline or the end of the study. Patients selected by GPs were assessed at baseline, 3 and 12 months. The primary outcome was depression status, measured by HAM-D. Secondary outcomes were psychiatric symptoms (GHQ-12) quality of life (SF-36), satisfaction with consultations, and health service use and costs. RESULTS Thirty-eight GPs were recruited and 36 (95%) completed the study. They selected 318 patients, of whom 189 (59%) were successfully recruited. At 3 months there were no significant differences between intervention and control patients on HAM-D, GHQ-12 or SF-36. At 12 months there was a positive training effect in two domains of the SF-36, but no differences in HAM-D, GHQ-12 or health care costs. Patients reported trained GPs as somewhat better at listening and understanding but not in the other aspects of satisfaction. CONCLUSIONS Although training programmes may improve GPs' skills in managing depression, this does not appear to translate into health gain for depressed patients or the health service.
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Affiliation(s)
- L Gask
- School of Psychiatry and Behavioural Science, University of Manchester
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Bagnall AM, Jones L, Ginnelly L, Lewis R, Glanville J, Gilbody S, Davies L, Torgerson D, Kleijnen J. A systematic review of atypical antipsychotic drugs in schizophrenia. Health Technol Assess 2003; 7:1-193. [PMID: 12925268 DOI: 10.3310/hta7130] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- A-M Bagnall
- NHS Centre for Reviews and Dissemination, University of York, UK
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Brealey S, Burton K, Coulton S, Farrin A, Garratt A, Harvey E, Letley L, Martin J, Klaber MJ, Russell I, Torgerson D, Underwood M, Vickers M, Whyte K, Williams M. UK Back pain Exercise And Manipulation (UK BEAM) trial--national randomised trial of physical treatments for back pain in primary care: objectives, design and interventions [ISRCTN32683578]. BMC Health Serv Res 2003; 3:16. [PMID: 12892566 PMCID: PMC194218 DOI: 10.1186/1472-6963-3-16] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2003] [Accepted: 08/01/2003] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Low back pain has major health and social implications. Although there have been many randomised controlled trials of manipulation and exercise for the management of low back pain, the role of these two treatments in its routine management remains unclear. A previous trial comparing private chiropractic treatment with National Health Service (NHS) outpatient treatment, which found a benefit from chiropractic treatment, has been criticised because it did not take treatment location into account. There are data to suggest that general exercise programmes may have beneficial effects on low back pain. The UK Medical Research Council (MRC) has funded this major trial of physical treatments for back pain, based in primary care. It aims to establish if, when added to best care in general practice, a defined package of spinal manipulation and a defined programme of exercise classes (Back to Fitness) improve participant-assessed outcomes. Additionally the trial compares outcomes between participants receiving the spinal manipulation in NHS premises and in private premises. DESIGN Randomised controlled trial using a 3 x 2 factorial design. METHODS We sought to randomise 1350 participants with simple low back pain of at least one month's duration. These came from 14 locations across the UK, each with a cluster of 10-15 general practices that were members of the MRC General Practice Research Framework (GPRF). All practices were trained in the active management of low back pain. Participants were randomised to this form of general practice care only, or this general practice care plus manipulation, or this general practice care plus exercise, or this general practice care plus manipulation followed by exercise. Those randomised to manipulation were further randomised to receive treatment in either NHS or private premises. Follow up was by postal questionnaire one, three and 12 months after randomisation. The primary analysis will consider the main treatment effects before interactions between the two treatment packages. Economic analysis will estimate the cost per unit of health utility gained by adding either or both of the treatment packages to general practice care.
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Affiliation(s)
- S Brealey
- Institute of Community Health Sciences, Barts and the London, Queen Mary's School of Medicine and Dentistry, Mile End, London, UK.
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Torgerson D, Lampo M, Wo PT. Ability of cellulose acetate and polyacrylamide enzyme electrophoresis to separate 13 species of phlebotomine sand flies (Diptera: Psychodidae) from Venezuela. J Med Entomol 2001; 38:501-509. [PMID: 11476329 DOI: 10.1603/0022-2585-38.4.501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The detection of cryptic species by biochemical methods indicates that within the phlebotomine fauna morphological data are not always adequate for species diagnosis. Cellulose acetate and polyacrylamide enzyme electrophoresis methods were compared for their effectiveness in identifying 13 species of Venezuelan phlebotomine sand flies and resolving alleles. Eight diagnostic loci unambiguously separated these 13 species of sand flies. Although acrylamide was as effective as cellulose acetate in species separation, differences were detected in the resolution of some alleles. Cellulose acetate identified more alleles at Ak and Fum, and resolved better at Pgm, whereas acrylamide identified more alleles at Gpi, Mdh, and Me. Therefore, erroneous species diagnoses may occur, if diagnostic loci detected by one technique are used by a second technique without adequate reference standards.
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Affiliation(s)
- D Torgerson
- Centro de Ecología, Instituto Venezolano de Investigaciones Científicas, Caracas
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31
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Abstract
OBJECTIVE To assess whether length of questionnaire affects response rates. METHODS A quasi-randomised trial of women aged 70 years and over in a general practice in England. Three questionnaires of different lengths: a clinical questionnaire (four pages); the same questionnaire plus the EuroQol (five pages); the same questionnaire plus the SF-12 (seven pages). The impact of length on the proportion of returned questionnaires and item completion rates was assessed. RESULTS In total, 847 questionnaires were mailed; response rates were 49%, 49% and 40% to the short, medium and long questionnaires, respectively. This difference was statistically significant when the short questionnaire was compared against the longest instrument (9% difference; 95% confidence interval (CI) of difference = 0.3% to 16.6%). Item completion rates for the clinical questionnaire did not differ. Respondents did not differ in age or self-reported health status between the three groups. CONCLUSIONS Increasing the length of a questionnaire from five to seven pages reduces response rates from women aged 70 years and over. However, lengthening a questionnaire does not seem to affect the quality of responses to questions near the front of the questionnaire.
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Affiliation(s)
- C Iglesias
- Department of Health Studies, University of York, UK
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32
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Iglesias C, Torgerson D. Expenditure. Beyond compare. Health Serv J 2000; 110:35. [PMID: 11184382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- C Iglesias
- Centre for Health Economics and Department of Health Studies, York University
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33
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Cameron I, Crotty M, Currie C, Finnegan T, Gillespie L, Gillespie W, Handoll H, Kurrle S, Madhok R, Murray G, Quinn K, Torgerson D. Geriatric rehabilitation following fractures in older people: a systematic review. Health Technol Assess 2000; 4:i-iv, 1-111. [PMID: 10702905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Affiliation(s)
- I Cameron
- Department of Medicine, University of Sydney, Australia
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Bradley M, Cullum N, Nelson EA, Petticrew M, Sheldon T, Torgerson D. Systematic reviews of wound care management: (2). Dressings and topical agents used in the healing of chronic wounds. Health Technol Assess 2000. [PMID: 10683589 DOI: 10.3310/hta31720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- M Bradley
- NHS Centre for Reviews and Dissemination, University of York, UK
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35
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Bradley M, Cullum N, Nelson EA, Petticrew M, Sheldon T, Torgerson D. Systematic reviews of wound care management: (2). Dressings and topical agents used in the healing of chronic wounds. Health Technol Assess 2000; 3:1-35. [PMID: 10683589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Affiliation(s)
- M Bradley
- NHS Centre for Reviews and Dissemination, University of York, UK
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Abstract
OBJECTIVES The objectives of this study were twofold. The first was to compare characteristics of responders and non-responders to a survey of women attending a bone mineral density screening service in Aberdeen concerned with the screening process which contained questions on attenders' willingness to pay (WTP) and willingness to wait (WTW) for screening. The second objective was to compare the characteristics of those responding to either the WTP or the WTW questions relative to those who responded to both. METHODS After receiving a scan, women completed the questionnaire at the clinic or returned it by post. Logistic regression analysis was used to compare the characteristics of the responders and non-responders. RESULTS Those who smoked were less likely to return the questionnaire, whilst those who drank alcohol were more likely to return it. The majority of respondents answered both WTP and WTW questions. The proportions responding to the WTW and WTP questions were 93.2% and 81.5% for the two questions, respectively (95% confidence interval of difference = 9.4% to 13.9%). The only result which was statistically significant at the 1% level showed that, relative to those who answered the WTW but not the WTP questions, those who answered both were more likely to be older when they left full-time education. A weaker statistical association (at the 5% level) revealed that those who were older when leaving full-time education were more likely to answer a WTP question than not. CONCLUSIONS WTP questions seem to be less acceptable to those who leave full-time education earlier. Analysts may need to account for this in future studies. Whether such results can be replicated and reasons for non-response should be investigated.
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Affiliation(s)
- R Thomas
- Health Services Research Unit, University of Aberdeen, UK
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Abstract
OBJECTIVES The objective of this review is to identify and evaluate the evidence of efficacy for topical treatments for fungal infections of the skin and nails of the human foot. To establish the effectiveness of topical treatments in achieving a cured condition and in preventing recurrence SEARCH STRATEGY Randomised controlled trials were identified from the MEDLINE, EMBASE and CINHAL databases, from the beginning of these databases to December 1997. Also we screened the Cochrane Controlled Trials Register, the Science Citation Index BIOSIS, CAB - Health, Healthstar and Economic databases. References and unpublished studies were searched, podiatry journals handsearched and the pharmaceutical industry contacted. SELECTION CRITERIA Only randomised controlled trials (RCTs) using participants who have mycologically diagnosed fungal infections of the skin and nails of the human foot are included in the analysis. DATA COLLECTION AND ANALYSIS Two reviewers independently summarised the included trials and appraised their quality of reporting using a structured data extraction tool which assessed 12 quality criteria. MAIN RESULTS Of 126 trials identified in 121 papers, 72 met the inclusion criteria. Placebo-controlled trials yielded the following pooled relative risks of failure to cure (RRFC) for skin infections: allylamines 0.30 (95% confidence interval 0.23 to 0.37); azoles 0.53 (0.42 to 0.68); undecenoic acid 0.28 (0.11 to 0.74); tolnaftate 0.46 (0.17 to 1.22). Though meta-analysis of 11 trials comparing allylamines and azoles showed an RRFC of 0.88 (0.78 to 0.99) in favour of allylamines, there was evidence of language bias. Seven English language reports favoured allylamines (RRFC = 0.79; 0.68 to 0.93) but four foreign language reports showed no difference between the two drugs (RRFC = 1.00; 0.90 to 1.12). The two trials of nail infections did not provide any evidence of benefit for topical treatments compared with placebo. CONCLUSIONS In placebo-controlled trials allylamines, azoles and undecenoic acid were efficacious. There are sufficient comparative trials to judge relative efficacy only between allylamines and azoles. Allylamines cure slightly more infections than azoles but are much more expensive. The most cost-effective strategy is first to treat with azoles or undecenoic acid and to use allylamines only if that fails.
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Affiliation(s)
- F Crawford
- Department of Health Sciences & Clinical Evaluation, The University of York, Alciun College, Heslington, York, UK, YO1 5DD.
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Abstract
The European Foundation for Osteoporosis and Bone Disease (EFFO), the Royal College of Physicians, the European Community and the National Osteoporosis Foundation of the USA (NOF) have recently published guidelines for the diagnosis and management of osteoporosis. All adopt case-finding strategies but the conceptual approach between the European and North American guidelines differs fundamentally. This gives rise to differences in the populations identified for assessment and treatment.
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Affiliation(s)
- J A Kanis
- Centre for Metabolic Bone Diseases (WHO Collaborating Centre), University of Sheffield Medical School, Sheffield, UK
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Lampo M, Torgerson D, Márquez LM, Rinaldi M, García CZ, Arab A. Occurrence of sibling species of Lutzomyia longipalpis (Diptera: Psychodidae) in Venezuela: first evidence from reproductively isolated sympatric populations. Am J Trop Med Hyg 1999; 61:1004-9. [PMID: 10674686 DOI: 10.4269/ajtmh.1999.61.1004] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
The delimitation of cryptic species within the main vector of the American visceral leishmaniasis, Lutzomyia longipalpis, remains a topic of controversy. An analysis of genetic variability based on 8 enzymatic loci revealed fixed differences in 2 diagnostic loci, adenylate kinase (Ak) and hexokinase (Hk), between sympatric and allopatric populations at 4 localities in Venezuela. The absence of heterozygotes for these 2 loci within 1 locality indicates, for the first time, the presence of 2 sympatric reproductively isolated populations or cryptic species within L. longipalpis. Significant differences were also detected between these cryptic species in the allele frequencies of glucose-6-phosphate isomerase (Gpi) and malate dehydrogenase, decarboxylating (Me). One species showed mean heterozygosities that ranged between 6.6% and 6.7%, with 1.6-1.9 alleles detected per locus, while the other had mean heterozygosities that ranged from 4.3% to 6.3%, with 1.3-1.6 alleles per locus. Comparisons of isozyme profiles with published data suggests that 1 species is similar to the L. longipalpis described in Colombian and Brazilian populations, whereas the other has not been previously reported.
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Affiliation(s)
- M Lampo
- Centro de Ecología, Instituto Venezolano de Investigaciones Científicas, Caracas, Venezuela
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Kirby PL, Brady AR, Thompson SG, Torgerson D, Davies AH. The Vein Graft Surveillance Trial: rationale, design and methods. VGST participants. Eur J Vasc Endovasc Surg 1999; 18:469-74. [PMID: 10637141 DOI: 10.1053/ejvs.1999.0822] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES to compare the amputation rates, quality of life and health care costs in patients receiving duplex ultrasound scanning against clinical surveillance following femoropopliteal and femorocrural vein bypass. DESIGN multi-centre, prospective, randomised controlled trial. METHODS 1200 patients with a patent vein graft at 30 days postoperatively will be randomised to either clinical or duplex follow-up. All patients are seen in an out-patient clinic at 6 weeks, then 3, 6, 9, 12 and 18 months postoperatively. At each appointment patients are examined clinically; palpable pulses in the graft and crural vessels, presenting symptoms and their ankle-branchial pressure indices (ABPIs) measured. In the duplex group only, the results of the scan are monitored. The incidence of radiological and/or surgical interventions throughout the follow-up period are also noted. Quality of life is measured using the SF-36 and EuroQol questionnaires at the 6 and 18 month appointments. Hospital stays and resource use are documented for health economic analysis. RESULTS the primary endpoint of this study is amputation or death from vascular causes; however, graft patency rates will also be compared between the groups. Quality of life and health economic data will be used to determine if there is any benefit in either arm in these outcomes between follow-up strategies. CONCLUSIONS this large, randomised-controlled trial will hopefully provide direct evidence on the benefit of duplex surveillance for vein grafts in terms of limb salvage, quality of life of the patients and cost-benefit to the purchaser.
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Affiliation(s)
- P L Kirby
- Department of Vascular Surgery, Imperial College of Science, Technology and Medicine at Charing Cross Hospital, U.K
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Moffett JK, Torgerson D, Bell-Syer S, Jackson D, Llewlyn-Phillips H, Farrin A, Barber J. Randomised controlled trial of exercise for low back pain: clinical outcomes, costs, and preferences. BMJ 1999; 319:279-83. [PMID: 10426734 PMCID: PMC28176 DOI: 10.1136/bmj.319.7205.279] [Citation(s) in RCA: 233] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To evaluate effectiveness of an exercise programme in a community setting for patients with low back pain to encourage a return to normal activities. DESIGN Randomised controlled trial of progressive exercise programme compared with usual primary care management. Patients' preferences for type of management were elicited independently of randomisation. PARTICIPANTS 187 patients aged 18-60 years with mechanical low back pain of 4 weeks to 6 months' duration. INTERVENTIONS Exercise classes led by a physiotherapist that included strengthening exercises for all main muscle groups, stretching exercises, relaxation session, and brief education on back care. A cognitive-behavioural approach was used. MAIN OUTCOME MEASURES Assessments of debilitating effects of back pain before and after intervention and at 6 months and 1 year later. Measures included Roland disability questionnaire, Aberdeen back pain scale, pain diaries, and use of healthcare services. RESULTS At 6 weeks after randomisation, the intervention group improved marginally more than the control group on the disability questionnaire and reported less distressing pain. At 6 months and 1 year, the intervention group showed significantly greater improvement in the disability questionnaire score (mean difference in changes 1.35, 95% confidence interval 0.13 to 2.57). At 1 year, the intervention group also showed significantly greater improvement in the Aberdeen back pain scale (4.44, 1.01 to 7.87) and reported only 378 days off work compared with 607 in the control group. The intervention group used fewer healthcare resources. Outcome was not influenced by patients' preferences. CONCLUSIONS The exercise class was more clinically effective than traditional general practitioner management, regardless of patient preference, and was cost effective.
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Affiliation(s)
- J K Moffett
- Centre for Health Economics, University of York, York, United Kingdom.
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42
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Affiliation(s)
- D Torgerson
- National Primary Care Research and Development Centre, Centre for Health Economics, University of York, York YO1 5DD, UK
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Byford S, Harrington R, Torgerson D, Kerfoot M, Dyer E, Harrington V, Woodham A, Gill J, McNiven F. Cost-effectiveness analysis of a home-based social work intervention for children and adolescents who have deliberately poisoned themselves. Results of a randomised controlled trial. Br J Psychiatry 1999; 174:56-62. [PMID: 10211152 DOI: 10.1192/bjp.174.1.56] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Little evidence exists regarding the effectiveness or cost-effectiveness of alternative treatment services in the field of child and adolescent psychiatry. AIMS To assess the cost-effectiveness of a home-based social work intervention for young people who have deliberately poisoned themselves. METHOD Children aged < or = 16 years, referred to child mental health teams with a diagnosis of deliberate self-poisoning were randomly allocated to either routine care (n = 77) or routine care plus the social work intervention (n = 85). Clinical and resource-use data were assessed over six months from the date of trial entry. RESULTS No significant differences were found between the two groups in terms of the main outcome measures or costs. In a sub-group of children without major depression, suicidal ideation was significantly lower in the intervention group at the six-month follow-up (P = 0.01), with no significant differences in cost. CONCLUSIONS A family-based social work intervention for children and adolescents who have deliberately poisoned themselves is as cost-effective as routine care alone.
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Affiliation(s)
- S Byford
- Centre for Health Economics, University of York.
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Abstract
We reviewed the published and unpublished international literature to determine the influence of salaried payment on doctor behaviour. We systematically searched Medline, BIDS Embase, Econlit and BIDS ISI and the reference lists of located papers to identify relevant empirical studies comparing salaried doctors with those paid by alternative methods. Only studies which reported objective outcomes and measures of the behaviour of doctors paid by salary compared to an alternative method were included in the review. Twenty-three papers were identified as meeting the selection criteria. Only one of the studies in this review reported a proxy for health status, but none examined whether salaried doctors differentiated between patients on the basis of health needs. Therefore, we were unable to draw conclusions on the likely impact of salaried payment on efficiency and equity. However, the limited evidence in our review does suggest that payment by salaries is associated with the lowest use of tests, and referrals compared with FFS and capitation. Salary payment is also associated with lower numbers of procedures per patient, lower throughput of patients per doctor, longer consultations, more preventive care and different patterns of consultation compared with FFS payment.
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Affiliation(s)
- T Gosden
- National Primary Care Research and Development Centre, University of Manchester, UK
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Abstract
Recent guidelines published by the National Osteoporosis Foundation (NOF) make extensive use of quality-adjusted life-years (QALYs). Crucial to these guidelines, therefore, are the assumptions that are made about the health-related quality of life (HRQoL) gained from the avoidance of osteoporotic fractures. This paper reports on a study in which 50 Colles' fracture patients were asked to describe their health at each visit during treatment using the EuroQol descriptive system and to value their own health using the visual analogue scale (VAS). By applying a set of population-derived valuations to the states reported by the patients, the QALY loss is shown to be about 2%. This is about half of the loss, based upon clinician judgement, that is contained in the NOF guidelines. In addition, the results suggest that it may be possible to use VAS scores to predict treatment requirements, since those patients who require fewer visits have, on average, higher initial VAS scores.
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Affiliation(s)
- P Dolan
- Centre for Health Economics, University of York, UK.
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46
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Affiliation(s)
- C Roberts
- National Primary Care Research and Development Centre, University of Manchester, Manchester M13 6PL
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47
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Affiliation(s)
- M Roland
- National Primary Care Research and Development Centre, University of Manchester, Manchester M13 6PL
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48
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Torgerson D, Giuffrida A. Patient compliance. Paid to comply. Health Serv J 1997; 107:30. [PMID: 10174020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- D Torgerson
- National Primary Care Research and Development Centre, Centre for Health Economics, York University, UK
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49
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Affiliation(s)
- M Campbell
- Health Services Research Unit, University of Aberdeen, Foresterhill, UK
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50
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Abstract
OBJECTIVES In the majority of clinical trials patients are randomised equally between treatment groups. This approach maximises statistical power for a given total sample size. The objectives of this paper were to determine if, when research costs between treatments differ, it is more economically efficient to randomise additional patients to the cheaper treatment, and how the optimum randomisation ratio can be estimated. METHODS Estimation of the most economically efficient randomisation ratio for four hypothetical clinical trials using cost-effectiveness analysis. RESULTS When research costs differ between treatments, and there is no constraint on total sample size, it is always more cost-effective to randomise more patients to the cheaper treatment. For example, a cost ratio between the lesser and more expensive treatment of ten, results in a randomisation ratio of 3.2:1. CONCLUSIONS Unequal randomisation ratios should be more widely used as this will achieve optimum statistical power for the lowest expenditure of research resources.
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Affiliation(s)
- D Torgerson
- Centre for Health Economics, University of York
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