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Mastrolonardo EV, Lu JS, Elliott Z, Knops A, Philips R, Urdang Z, Mady LJ, Curry JM. Evaluating the impact of hemodynamic support measures on head and neck free tissue transfer outcomes: A population-based analysis. Oral Oncol 2023; 143:106461. [PMID: 37331035 DOI: 10.1016/j.oraloncology.2023.106461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/01/2023] [Accepted: 06/09/2023] [Indexed: 06/20/2023]
Abstract
OBJECTIVES This study sought to analyze the effects of perioperative blood transfusions and vasopressors on 30-day surgical complications and 1-year mortality after reconstructive surgery in head and neck free tissue transfer (FTT) and to identify predictors of administration of perioperative blood transfusions or vasopressors. MATERIALS AND METHODS TriNetX (TriNetX LLC, Cambridge, USA), an international population-level electronic health record database, was queried to identify subjects that underwent FTT requiring perioperative (intraoperative to postoperative day 7) vasopressors or blood transfusions. Primary dependent variables were 30-day surgical complications and 1-year mortality. Propensity score matching was used to control for population differences, and covariate analysis was used to identify preoperative comorbidities associated with perioperative vasopressor or transfusion requirements. RESULTS 7,631 patients met inclusion criteria. Preoperative malnutrition was associated with increased odds of perioperative transfusion (p = 0.002) and vasopressor requirement (p < 0.001). Perioperative blood transfusion (n = 941) was associated with increased odds of any surgical complication (p = 0.041) within 30 days postoperatively and specifically increased odds of wound dehiscence (p = 0.008) and FTT failure (p = 0.002), respectively. Perioperative vasopressor was (n = 197) was not associated with 30-day surgical complications. Vasopressor requirement was associated with increased hazards-ratio of mortality at 1-year (p = 0.0031). CONCLUSION Perioperative blood transfusion in FTT is associated with increased odds for surgical complications. Judicious use as a hemodynamic support measure should be considered. Perioperative vasopressor use was associated with an increased risk of one-year mortality. Malnutrition is a modifiable risk factor for perioperative transfusion and vasopressor requirement. These data warrant further investigation to assess causation and potential opportunity for practice improvement.
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Affiliation(s)
- Eric V Mastrolonardo
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States.
| | - Joseph S Lu
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | - Zachary Elliott
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | - Alexander Knops
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | - Ramez Philips
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | - Zachary Urdang
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
| | - Leila J Mady
- Department of Otolaryngology - Head and Neck Surgery, The Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Joseph M Curry
- Department of Otolaryngology - Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, United States
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H. Nekouei A, Mirzaee M, Shahravan A, Kakooei S, Hasheminejad N. Comparison of Oral Health-Related Quality of Life in Partial and Complete Denture Wearers: A Propensity Score Analysis. Med J Islam Repub Iran 2023; 37:77. [PMID: 37600628 PMCID: PMC10439700 DOI: 10.47176/mjiri.37.77] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Indexed: 08/22/2023] Open
Abstract
Background Dentures, both partial and complete, have been shown to have the same impact on one's quality of life. Due to the impossibility of randomization in these studies, they are prone to selection bias. This study aimed to compare the effect of partial and complete dentures on oral health-related quality of life (OHRQoL) by propensity score to overcome selection bias. Methods This is a cross-sectional descriptive-analytic study. A total of 1376 people participated in this study. Age, sex, marital status, education level, smoking, smoking opium and its derivatives, and dental visit was collected by a checklist. OHRQoL was measured by the OHIP-14 questionnaire. The generalized boosted model was used to estimate the propensity score. Missing data were imputed using multiple imputations with mixed models. The assumptions of multivariable regression analysis and propensity score method were first examined, and then the quality of life related to oral health was compared between the two groups. Results The regression model's assumptions were not verified due to high skewness and collinearity. The results of the normality test (P < 0.001) and goodness fit test (P < 0.001) revealed that the regression model did not fit the data. The propensity score method reduced at least 76% of the bias resulting from the distribution difference between the confounding variables and was used for analysis. In the regression and propensity score method, the results showed that the total OHIP-14 score of the complete prosthesis group was higher than the partial prosthesis group at 3.92 (95% CI = (2.18,5.65)) and 3.64 (95% CI = (1.93,4.53)), respectively. This difference was clinically and statistically significant (P < 0.001). In addition, there is a significant difference in the two groups based on propensity in all seven areas (P < 0.001). But there is no significant difference in the regression adjustment of the Functional limitation of the two groups (P = 0.035). Conclusion The propensity score has fewer assumptions than the regression method and may be more reliable for OHIP scores. The propensity score analysis revealed that despite the costs and repair issues associated with partial dentures, complete denture wearers have lower OHRQoL than partial denture wearers.
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Affiliation(s)
- Amir H. Nekouei
- Faculty of Public Health, Department of Biostatistics and Epidemiology, Kerman University of Medical Sciences, Kerman, Iran
| | - Moghaddameh Mirzaee
- Modeling in Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Arash Shahravan
- Endodontology Research Center, Department of Endodontology, School of Dentistry, Kerman University of Medical Sciences, Kerman, Iran
| | - Shahla Kakooei
- Oral and Dental Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Naimeh Hasheminejad
- Social Determinants on Oral Health Research Center, Kerman University of Medical Sciences, Kerman, Iran
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Ramaswamy K, Lechpammer S, Mardekian J, Huang A, Schultz NM, Sandin R, Wang L, Baser O, George DJ. Economic Outcomes in Patients with Chemotherapy-Naïve Metastatic Castration-Resistant Prostate Cancer Treated with Enzalutamide or Abiraterone Acetate Plus Prednisone. Adv Ther 2020; 37:2083-2097. [PMID: 32112280 PMCID: PMC7467473 DOI: 10.1007/s12325-020-01260-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Indexed: 12/19/2022]
Abstract
Introduction Prostate cancer (PC) is the second leading cause of cancer death among US men and accounts for considerable healthcare expenditures. We evaluated economic outcomes in men with chemotherapy-naïve metastatic castration-resistant PC (mCRPC) treated with enzalutamide or abiraterone acetate plus prednisone (abiraterone). Methods We performed a retrospective analysis on 3174 men (18 years or older) utilizing the Veterans Health Administration (VHA) database from 1 April 2014 to 31 March 2018. Men with mCRPC were included if they had at least one pharmacy claim for enzalutamide or abiraterone (first claim date = index date) following surgical or medical castration, had no chemotherapy treatment within 12 months prior to the index date, and had continuous VHA enrollment for at least 12 months pre- and post-index date. Men were followed until death, disenrollment, or end of study and were 1:1 propensity score matched (PSM). All-cause and PC-related resource use and costs per patient per month (PPPM) in the 12 months post index were compared between matched cohorts. Results We identified 1229 men with mCRPC prescribed enzalutamide and 1945 prescribed abiraterone with mean ages of 74 and 73 years, respectively. After PSM, each cohort had 1160 patients. The enzalutamide cohort had fewer all-cause (2.51 vs 2.86; p < 0.0001) and PC-related outpatient visits (0.86 vs 1.03; p < 0.0001), with corresponding lower all-cause ($2588 vs $3115; p < 0.0001) and PC-related ($1356 vs $1775; p < 0.0001) PPPM outpatient costs compared with the abiraterone cohort. All-cause total costs (medical and pharmacy) PPPM ($8085 vs $9092; p = 0.0002) and PC-related total costs PPPM ($6321 vs $7280; p < 0.0001) were significantly lower in the enzalutamide cohort compared with the abiraterone cohort. Conclusions Enzalutamide-treated men with chemotherapy-naïve mCRPC had significantly lower resource utilization and healthcare costs compared with abiraterone-treated men. Electronic Supplementary Material The online version of this article (10.1007/s12325-020-01260-x) contains supplementary material, which is available to authorized users. Prostate cancer (PC) is the second leading cause of death among men with cancer in the USA. Healthcare costs associated with PC, including hospitalizations, outpatient visits, and medications prescribed to treat adverse effects, depend on the severity of the disease and intensity of treatment, but are generally very high. Enzalutamide and abiraterone acetate with prednisone (abiraterone) are both approved treatments for men with PC that does not respond to treatments that reduce the male hormone testosterone, known as castration-resistant PC (CRPC). These drugs are associated with varying treatment duration and different adverse effects, and therefore could result in differences in the use of healthcare resources and overall cost of treatment. Here we evaluated the healthcare resource utilization (HCRU), which was calculated as the average number of healthcare encounters, including inpatient stays, outpatient visits, and pharmacy visits, and length of inpatient stays, and treatment costs associated with use of enzalutamide or abiraterone by men with metastatic CRPC (mCRPC), who had not received prior chemotherapy in the Veterans Health Administration. We found that men with chemotherapy-naïve mCRPC treated with enzalutamide used less healthcare resources and incurred lower total healthcare costs than men treated with abiraterone. On average, all-cause total healthcare costs were $1007 per patient per month lower and PC-related total healthcare costs were $959 per patient per month lower for patients treated with enzalutamide than those treated with abiraterone. These results support the hypothesis that the long-term HCRU and costs of enzalutamide may be lower compared with abiraterone.
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Abstract
Real-world evidence (RWE) is the clinical evidence about benefits or risks of medical products derived from analyzing real world data (RWD), which are data collected through routine clinical practice. This article discusses the advantages and disadvantages of RWE studies, how these studies differ from randomized controlled trials (RCTs), how to overcome barriers to current skepticism about RWE, how FDA is using RWE, how to improve the quality of RWE, and finally the future of RWE trials.
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Affiliation(s)
- David C. Klonoff
- Diabetes Research Institute;
Mills-Peninsula Health Services, San Mateo, CA, USA
- David C. Klonoff, MD, FACP, FRCP (Edin),
Fellow AIMBE, Diabetes Research Institute, Mills-Peninsula Health Services, 100
S San Mateo Dr, Rm 5147, San Mateo, CA 94401, USA.
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Bell CF, Coutinho AD, Farrelly E, Lokhandwala T, Landsman-Blumberg P. Clinical and economic outcomes associated with the use of fluticasone propionate 250 mcg and salmeterol 50 mcg combination versus tiotropium bromide 18 mcg as initial maintenance treatment for chronic obstructive pulmonary disease in managed care. J Med Econ 2018; 21:629-638. [PMID: 29577787 DOI: 10.1080/13696998.2018.1457532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AIMS To examine the clinical and economic outcomes associated with the use of long-acting bronchodilators for initial maintenance treatment of chronic obstructive pulmonary disease (COPD) by analyzing health insurance claims data in the US. METHODS A retrospective, observational, matched cohort study used health insurance claims data (January 2008 to June 2013) to assess COPD-related outcomes for subjects aged ≥40 years. Subjects were assigned to a study cohort according to the first observed prescription fill for a long-acting bronchodilator (fluticasone propionate 250 mcg/salmeterol 50 mcg [FSC] or tiotropium bromide 18 mcg [TIO]). The analysis period for each subject comprised a 1-year pre-index date and 1-year post-index date. Primary outcome measure was total COPD-related costs per-patient per-year (PPPY) during the follow-up period. Secondary outcome measures included COPD-related exacerbations and the components of COPD-related costs. RESULTS Overall, 24,040 subjects were identified; the analysis sample consisted of 19,090 subjects (9,545 per cohort) with no significant differences between cohorts. Mean COPD-related total costs PPPY were numerically lower among the FSC cohort; however, the difference was not statistically significant ($2,224 [±4,108] vs $2,352 [±3,721], p = .057). There was no difference between cohorts for COPD-related medical costs (p = .894). COPD-related pharmacy costs were significantly, yet modestly, lower in the FSC cohort compared with the TIO cohort ($1,160 [±1,106] vs 1,275 [±1,110], p < .001). There were no statistically significant differences in the rate or number of exacerbations between the matched cohorts. LIMITATIONS While propensity scoring achieved balance in baseline characteristics, some residual confounding unobserved in the database may be present. CONCLUSIONS Few clinical and economic differences between subjects initiating maintenance therapy with FSC or TIO were observed.
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Wu CX, Hwang CH, Tan WS, Tai KP, Kwek LSL, Chee TG, Choo YM, Phng FWL, Chua GSW. Effectiveness of a chronic obstructive pulmonary disease integrated care pathway in a regional health system: a propensity score matched cohort study. BMJ Open 2018; 8:e019425. [PMID: 29572394 PMCID: PMC5875646 DOI: 10.1136/bmjopen-2017-019425] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE The chronic obstructive pulmonary disease (COPD) integrated care pathway (ICP) programme was designed and implemented to ensure that the care for patients with COPD is comprehensive and integrated across different care settings from primary care to acute hospital and home. We evaluated the effectiveness of the ICP programme for patients with COPD. DESIGN, SETTING AND PARTICIPANTS A retrospective propensity score matched cohort study was conducted comparing differences between programme enrolees and propensity-matched non-enrolees in a Regional Health System in Singapore. Data on patients diagnosed with COPD who enrolled in the programme (n=95) and patients who did not enrol (n=6330) were extracted from the COPD registry and hospital administrative databases. Enrolees and non-enrolees were propensity score matched. OUTCOME MEASURES The risk of COPD hospitalisations and COPD hospital bed days savings were compared between the groups using a difference-in-difference strategy and generalised estimating equation approach. Adherence with recommended care elements for the COPD-ICP group was measured quarterly at baseline and during a 2-year follow-up period. RESULTS Compared with non-enrolees, COPD hospitalisation risk for ICP programme enrolees was significantly lower in year 2 (incidence rate ratio (IRR): 0.73; 95% CI 0.54 to 1.00). Similarly, COPD hospital bed days was significantly lower for enrolees in year 2 (IRR: 0.78; 95% CI 0.64 to 0.95). ICP programme patients had sustained improvements in compliance with all recommended care elements for patients with COPD. The overall all-or-none care bundle compliance rate had improved from 28% to 54%. CONCLUSION The study concluded that the COPD-ICP programme was associated with reductions in COPD hospitalisation risk and COPD health utilisation in a 2-year follow-up period.
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Affiliation(s)
- Christine Xia Wu
- Quality, Innovation and Improvement, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Chi Hong Hwang
- Quality, Innovation and Improvement, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Woan Shin Tan
- Health Services and Outcomes Research, National Healthcare Group, Singapore
- NTU Institute for Health Technologies, Interdisciplinary Graduate School, Nanyang Technological University, Singapore
| | - Kai Pik Tai
- Quality, Innovation and Improvement, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Lynette Siang Lim Kwek
- Clinical Operations, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Thong Gan Chee
- Clinical Operations, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Yee Mun Choo
- Nursing Clinical Services, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Francis Wei Loong Phng
- Quality, Innovation and Improvement, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
| | - Gerald Seng Wee Chua
- Medicine Division, Ng Teng Fong General Hospital and Jurong Community Hospital, Members of the NUHS, Singapore
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Impact of chronic ischemic heart disease on the health care costs of COPD patients - An analysis of German claims data. Respir Med 2016; 118:112-118. [PMID: 27578479 DOI: 10.1016/j.rmed.2016.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 07/29/2016] [Accepted: 08/01/2016] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Chronic Obstructive Pulmonary Disease (COPD) has a substantial impact on health care systems worldwide. Particularly, cardiovascular diseases such as ischemic heart disease (IHD) are frequent in individuals with COPD, but the economic consequences of combined COPD and IHD are by large unknown. Therefore, our study has the objective to investigate excess costs of IHD in COPD patients. METHODS Out of German Statutory Health Insurance claims data we identified 26,318 COPD patients with and 10,287 COPD patients without IHD based on ICD-10 codes (COPD J44; IHD I2[0,1,2,5]) of the year 2011 and matched 9986 of them in a 1:1 ratio based on age and gender. Then, we investigated health care service expenditures in 2012 via Generalized Linear Models. Moreover, we evaluated a potential non-linear association between health care expenditures and age in a gender-stratified Generalized Additive Model. RESULTS The prevalence of IHD in individuals with COPD increases with rising age up to a share of 50%. COPD patients with IHD cause adjusted mean annual per capita health care service expenditures of ca. €7400 compared with ca. €5800 in COPD patients without IHD. Moreover, excess costs of IHD have an inverse u-shape, peaking in the early (men) respectively late seventies (women). CONCLUSIONS IHD in COPD patients is associated with excess costs of ca. € 1,500, with the exact amount varying age- and gender-dependently. Subgroups with high excess costs indicate medical need that calls for efficient care strategies, considering COPD and IHD together particularly between 70 and 80 years of age.
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Roberts MH, Borrego ME, Kharat AA, Marshik PL, Mapel DW. Economic evaluations of fluticasone-propionate/salmeterol combination therapy for chronic obstructive pulmonary disease: a review of published studies. Expert Rev Pharmacoecon Outcomes Res 2016; 16:167-92. [PMID: 26839089 DOI: 10.1586/14737167.2016.1148602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This review identifies and evaluates the comprehensive reporting of peer-reviewed economic evaluations of the effectiveness of fluticasone-propionate/salmeterol combination (FSC) therapy for maintenance treatment of chronic obstructive pulmonary disease (COPD). Economic evaluations were included if published in English since 2003. Evaluation categories included in the review were cost-effectiveness, cost-utility, and cost-consequence analyses. FSC is cost-effective in comparison to short-acting bronchodilators (SABDs). Cost and outcome differences between FSC and other long-acting therapies were modest. Studies exhibited large variations in populations, designs and environment, limiting the ability to draw conclusions. Many new maintenance treatments for COPD have been approved since 2010. Most have yet to be compared to older treatments like FSC. Evaluations are needed that consider costs and outcomes from a societal perspective (e.g., patients' ability to keep working) and evaluations that include subgroup analyses to investigate differential impacts according to clusters of patient characteristics.
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Affiliation(s)
- M H Roberts
- a Department of Pharmacy Practice and Administrative Sciences , University of New Mexico College of Pharmacy , Albuquerque , NM , USA.,b LCF Research, Health Services Research Division , Albuquerque , NM , USA
| | - M E Borrego
- a Department of Pharmacy Practice and Administrative Sciences , University of New Mexico College of Pharmacy , Albuquerque , NM , USA
| | - A A Kharat
- a Department of Pharmacy Practice and Administrative Sciences , University of New Mexico College of Pharmacy , Albuquerque , NM , USA
| | - P L Marshik
- a Department of Pharmacy Practice and Administrative Sciences , University of New Mexico College of Pharmacy , Albuquerque , NM , USA
| | - D W Mapel
- b LCF Research, Health Services Research Division , Albuquerque , NM , USA
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Abstract
CONTEXT In its fee-for-service funding model for primary care, British Columbia, Canada, introduced incentive payments to general practitioners as pay for performance for providing enhanced, guidelines-based care to patients with chronic conditions. Evaluation of the program was conducted at the health care system level. OBJECTIVE To examine the impact of the incentive payments on annual health care costs and hospital utilization patterns in British Columbia. DESIGN The study used Ministry of Health administrative data for Fiscal Year 2010-2011 for patients with diabetes, congestive heart failure, chronic obstructive pulmonary disease, and/or hypertension. In each disease group, cost and utilization were compared across patients who did, and did not, receive incentive-based care. MAIN OUTCOME MEASURES Health care costs (eg, primary care, hospital) and utilization measures (eg, hospital days, readmissions). RESULTS After controlling for patients' age, sex, service needs level, and continuity of care (defined as attachment to a general practice), the incentives reduced the net annual health care costs, in Canadian dollars, for patients with hypertension (by approximately Can$308 per patient), chronic obstructive pulmonary disease (by Can$496), and congestive heart failure (by Can$96), but not diabetes (incentives cost about Can$148 more per patient). The incentives were also associated with fewer hospital days, fewer admissions and readmissions, and shorter lengths of hospital stays for all 4 groups. CONCLUSION Although the available literature on pay for performance shows mixed results, we showed that the funding model used in British Columbia using incentive payments for primary care might reduce health care costs and hospital utilization.
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Affiliation(s)
- Marcus J Hollander
- The President of Hollander Analytical Services, Ltd, in Victoria, British Columbia, Canada.
| | - Helena Kadlec
- The Senior Scientist for Hollander Analytical Services, Ltd, in Victoria, British Columbia, Canada.
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Wu CX, Tan WS, See RCK, Yu W, Kwek LSL, Toh MPHS, Chee TG, Chua GSW. A matched-group study protocol to evaluate the implementation of an Integrated Care Pathway programme for chronic obstructive pulmonary disease in Singapore. BMJ Open 2015; 5:e005655. [PMID: 25567064 PMCID: PMC4289726 DOI: 10.1136/bmjopen-2014-005655] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
INTRODUCTION The treatment of chronic obstructive pulmonary disease (COPD) involves different care providers across care sites. This fragmentation of care increases the morbidity and mortality burden, as well as acute health services use. The COPD-Integrated Care Pathway (ICP) was designed and implemented to integrate the care across different sites from primary care to acute hospital and home. It aims to reduce the prevalence of COPD among the population in the catchment, reduce risk of hospital admissions, delay or prevent the progression of the disease and reduce mortality rate by adopting a coordinated and multidisciplinary approach to the management of the patients' medical conditions. This study on the COPD-ICP programme is undertaken to determine the impact on processes of care, clinical outcomes and acute care utilisation. METHODS AND ANALYSIS This will be a retrospective, pre-post, matched-groups study to evaluate the effectiveness of the COPD-ICP programme in improving clinical outcomes and reducing healthcare costs. Programme enrolees (intervention group) and non-enrolees (comparator group) will be matched using propensity scores. Administratively, we set 30% as our target for proportion admission difference between programme and non-programme patients. A sample size of 62 patients in each group will be needed for statistical comparisons to be made at 90% power. Adherence with recommended care elements will be measured at baseline and quarterly during 1-year follow-up. Risk of COPD-related hospitalisations as primary outcome, healthcare costs, disease progression and 1-year mortality during 1-year follow-up will be compared between the groups using generalised linear regression models. ETHICS AND DISSEMINATION This protocol describes the implementation and proposed evaluation of the COPD-ICP programme. The described study has received ethical approval from the NHG Domain Specific Review Board (DSRB Ref: 2013/01200). Results of the study will be reported through peer-review publications and presentations at healthcare conferences.
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Affiliation(s)
| | - Woan Shin Tan
- Health Services & Outcomes Research, National Healthcare Group, Singapore
| | | | - Weichang Yu
- Medical Affairs Department, JurongHealth, Singapore
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