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[The effect of Ba Duan Jin on the balance of community-dwelling older adults: a cluster randomized control trial]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2024; 45:250-256. [PMID: 38413065 DOI: 10.3760/cma.j.cn112338-20230506-00283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Objective: To assess the effectiveness of a 6-month Ba Duan Jin exercise program in improving the balance of community-dwelling older adults. Methods: A two arms, parallel-group, cluster randomized controlled trial was conducted in 1 028 community residents aged 60-80 years in 40 communities in 5 provinces of China. Participants in the intervention group (20 communities, 523 people) received Ba Duan Jin exercise 5 days/week, 1 hour/day for 6 months, and three times of falls prevention health education, and the control group (20 communities, 505 people) received falls prevention health education same as the intervention group. The Berg balance scale (BBS) score was the leading outcome indicator, and the secondary outcome indicators included the length of time of standing on one foot (with eyes open and closed), standing in a tandem stance (with eyes open and closed), the closed circle test, and the timed up to test. Results: A total of 1 028 participants were included in the final analysis, including 731 women (71.11%) and 297 men (28.89%), and the age was (69.87±5.67) years. After the 3-month intervention, compared with the baseline data, the BBS score of the intervention group was significantly higher than the control group by 3.05 (95%CI: 2.23-3.88) points (P<0.001). After the 6-month intervention, compared with the baseline data, the BBS score of the intervention group was significantly higher than the control group by 4.70 (95%CI: 4.03-5.37) points (P<0.001). Ba Duan Jin showed significant improvement (P<0.05) in all secondary outcomes after 6 months of exercise in the intervention group compared with the control group. Conclusions: This study showed that Ba Duan Jin exercise can improve balance in community-dwelling older adults aged 60-80. The longer the exercise time, the better the improvement.
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Transport Monte Carlo: High-Accuracy Posterior Approximation via Random Transport. J Am Stat Assoc 2022. [DOI: 10.1080/01621459.2021.2003201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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[Prevalence of injury among children in 28 counties of 6 provinces in China in 2017]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1392-1400. [PMID: 34814559 DOI: 10.3760/cma.j.cn112338-20201112-01325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To investigate the incidence of injuries among children aged 0-17 years from 28 counties in six provinces. Methods: According to the earlier study on data in different local areas and the current work plan, we selected the survey objects for a general survey on child injury prevalence in the last 12 months. The subjects included guardians of children who did not attend kindergartens, children from kindergartens, and primary school grades 1-3. Children from grades 4-6 primary school, junior high school, and senior high school were also included. Results: The overall rate of injured children was 4.83%, with the incidence of injuries as 5.75% in the last 12 months before the survey. Both the rate of injured children and incidence of injuries were higher in boys than that in girls. Children whose primary caregivers were relatives, grandparents, minors, or with an education level below the primary school had a relatively higher rate of both injured children and incidence of injuries. The first cause of child injury was fall. The time of child injury was mainly from June to October, mainly at home, with the main activity as playing. The significant injuries in children were contusion and abrasion, and the main parts injured were lower limbs, upper limbs, and head. Most of the injuries were cured, and the primary treatment was outpatient and emergency treatment. Conclusions: Boys and children whose parents can not take care of are the priority population for child injury prevention and control. Targeted prevention and control measures should be implemented according to the characteristics of injuries among children of different ages.
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[Objectives and strategies of unintentional injury prevention and control in 31 provincial Children's Development Outlines in China]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1380-1391. [PMID: 34814558 DOI: 10.3760/cma.j.cn112338-20200706-00924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To landscape the contents, similarities, and differences of the objectives and strategies for unintentional injury prevention and control in the national and 31 provincial Children's Development Outlines from 2011 to 2020, and propose relevant suggestions. Methods: The content analysis method was used to extract, encode and classify the objective and strategy text of unintentional injury in all Children's Development Outlines and construct the theme of strategy text combined with the '5E' Injury Prevention Framework. Taking the national Children's Development Outline as the benchmark, the relevant contents of 31 provincial Children's Development Outlines in the same period were compared. Results: All Children's Development Outlines took child injury prevention and control as the primary objective set in health, environment, and safety. The national and most provincial Children's Development Outlines set this goal in health, while others put it in environment or safety. Reducing injury-induced death, disability and occurrence were designated as the main content in the objective of child injury prevention and control. However, there were no quantitative requirements for injury occurrence and disability in all the provincial outlines. The themes of unintentional injury prevention and control strategies in all Children's Development Outlines could be divided into the mechanism, law enforcement, education, environment, engineering, first aid, assessment, and economic strategies. Mechanism strategy was the primary domain, followed by law enforcement, education, environment, and engineering strategies, but less attention was put on first aid, assessment, and economic strategies. The unintentional injury prevention and control strategy in the provincial Children's Development Outlines was mainly based on the national outline. Still, it also varied with some emphasis and refinement in different items among all the provinces. Conclusions: Children's Development Outline is a vital policy guarantee for implementing child injury prevention and control work. Developing a system involving good primary data, mechanisms and strategies, law enforcement, and environmental and engineering-related strategies for more common types of child injuries has been attached to great importance. Actively carrying out assessments and encouraging the adoption of more economical strategies could further enrich and improve the unintentional injury prevention and control in Children's Development Outline and promote the progress of related work in China.
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[The epidemiological characteristics and influencing factors of animal injuries among children from 28 counties in 6 provinces, China]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1401-1406. [PMID: 34814560 DOI: 10.3760/cma.j.cn112338-20201103-01299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To understand the epidemiological characteristic and influencing factors of animal injuries among children from 28 counties/districts in 6 provinces of China to provide evidence for formulating related prevention measures and strategies. Methods: Data was obtained from 'Children injury prevention project, 2016-2020'. Variables on the characteristics, including incidence, locations, related activities, time, and outcomes among children, were described. The negative binomial regression model analyzed animal injury frequency influencing factors. Results: There were 107 029 boys and 97 599 girls, with a gender ratio of 1.10, among the 204 628 children aged 0-17 in 28 counties/districts in 6 provinces of China. Per-person and per-time incidence rates of animal injuries were 0.70% and 0.72%, both higher in boys than in girls. Animal injuries among children mainly occurred in home (73.20%), road/street (7.51%), and open space of community/village (6.77%), during playing (63.15%), with the peak time between 12:01-18:00 (45.03%). Upper limbs (47.89%), lower limbs (35.31%), and head (8.44%) were the most injured body parts. Outpatient or emergency treatment (85.19%) had been carried out. The negative binomial regression showed that sex, grade, guardian educational level, urban or rural, and daily communication between guardians and children as influencing factors in the frequency of animal injuries among children. Conclusions: Special attention should be given to boys, at home, in projects on animal injury prevention and control. There were many influencing factors of animal injury frequency. Knowledge of injury prevention should be popularized to children and guardians. Related comprehensive intervention should be developed in families, schools, and social settings.
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[Prevalence and prevention of traffic injury among children in 28 counties of 6 provinces in China, 2017]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1407-1412. [PMID: 34814561 DOI: 10.3760/cma.j.cn112338-20201224-01440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To investigate the incidence of traffic injuries among children aged 0-17 years in 28 counties of 6 provinces and to provide prevention suggestions. Methods: Using the general survey method, a questionnaire survey was conducted on the road traffic injuries of children in 28 counties of 6 provinces in 2017. Results: A total of 204 628 students were surveyed, 908 of whom had experiences of road traffic injuries. Road traffic injuries were 0.44% among children in 28 counties of 6 provinces in China and 0.94% among children who did not attend kindergartens. July is a high incidence period of road traffic injuries among children (12.92%). When children suffer from road traffic injuries, the first three activities were playing (21.61%), riding an electric bicycle (20.40%), walking (20.07%). Most injuries appeared as contusion/abrasion, accounting for 42.26% of the total cases. The injured parts were mainly lower limbs, upper limbs, and heads, accounting for 38.85%, 23.29%, and 20.20%. Most children with road traffic injuries recovered after related treatments, accounting for 85.43% of all cases. The median length of hospital stay of children with road traffic injuries was seven days, and the median expense in hospitals was 3 000 Yuan (RMB). Conclusions: The incidence of road traffic injuries among males appeared higher than females, and the children who did not attend the kindergartens were the highest. During playing, riding an electric bicycle and walking were the top three activities prone to road traffic injuries.
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[Analysis on epidemiologic characteristics of fall in old people: results from Chinese National Injury Surveillance System, 2015-2018]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:137-141. [PMID: 33503710 DOI: 10.3760/cma.j.cn112338-20200424-00646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the epidemiologic characteristics of fall in people aged 60 years and above in China from 2015 to 2018, and provide basis for the prevention of fall in old people and the development of related policies. Methods: Descriptive analysis was conducted on general information, injury occurrence information and injury clinical characteristics of fall cases in people aged 60 years and above by using the data from Chinese National Injury Surveillance System(NISS). Results: A total of 205 670 fall cases were reported to NISS from 2015 to 2018 with the male to female ratio of 1.37. Falls mainly occurred during 10:00-10:59 am (11.91%). The top three places where fall might occur were home (56.41%), road (17.24%) and public residence (14.36%). Leisure activity(37.56%), housework (24.20%) and walk (15.07%) were top three activities in which fall occurred. Bruise/scrape (42.17%), fracture (31.79%) and sprain/strain (14.62%) were the major injuries. The most common body parts involved were low limbs (31.38%), head (22.46%) and truncus(20.71%). Moderate and severe injuries accounted for 37.21% of all cases, and 22.49% of the elderly seeking medical care due to fall required hospitalization. Conclusions: The number of fall in people aged 60 years and above increased from 2015 to 2018. The elderly is a key population in the prevention and control of fall.
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Bayesian Distance Clustering. JOURNAL OF MACHINE LEARNING RESEARCH : JMLR 2021; 22:224. [PMID: 35782785 PMCID: PMC9245927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Model-based clustering is widely used in a variety of application areas. However, fundamental concerns remain about robustness. In particular, results can be sensitive to the choice of kernel representing the within-cluster data density. Leveraging on properties of pairwise differences between data points, we propose a class of Bayesian distance clustering methods, which rely on modeling the likelihood of the pairwise distances in place of the original data. Although some information in the data is discarded, we gain substantial robustness to modeling assumptions. The proposed approach represents an appealing middle ground between distance- and model-based clustering, drawing advantages from each of these canonical approaches. We illustrate dramatic gains in the ability to infer clusters that are not well represented by the usual choices of kernel. A simulation study is included to assess performance relative to competitors, and we apply the approach to clustering of brain genome expression data.
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Data driven decision making to characterize clinical personas of parents of children with cystic fibrosis: a mixed methods study. BMC Pulm Med 2020; 20:174. [PMID: 32552880 PMCID: PMC7301999 DOI: 10.1186/s12890-020-01202-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/28/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Beginning at a young age, children with cystic fibrosis (CF) embark on demanding care regimens that pose challenges to parents. We examined the extent to which clinical, demographic and psychosocial features inform patterns of adherence to pulmonary therapies and how these patterns can be used to develop clinical personas, defined as aspects of adherence barriers that are presented by parents and/or perceived by clinicians, in order to enhance personalized CF care delivery. METHODS We undertook an explanatory sequential mixed-methods study consisting of i) multivariate clustering to create clusters corresponding to parental adherence patterns (quantitative phase); ii) parental participant interviews to create clinical personas interpreted from clustering (qualitative phase). Clinical, demographic and psychosocial features were used in supervised clustering against clinical endpoints, which included adherence to airway clearance and aerosolized medications and self-efficacy score, which was used as a feature for modeling adherence. Clinical implications were developed for each persona by combing quantitative and qualitative data (integration phase). RESULTS The quantitative phase showed that the 87 parent participants were segmented into three distinct patterns of adherence based on use of aerosolized medication and practice of airway clearance. Patterns were primarily influenced by self-efficacy, distance to CF care center and child BMI percentile. The two key patterns that emerged for the self-efficacy model were most heavily influenced by distance to CF care center and child BMI percentile. Eight clinical personas were developed in the qualitative phase from parent and clinician participant feedback of latent components from these models. Findings from the integration phase include recommendations to overcome specific challenges with maintaining treatment regimens and increasing support from social networks. CONCLUSIONS Adherence patterns from multivariate models and resulting parent personas with their corresponding clinical implications have utility as clinical decision support tools and capabilities for tailoring intervention study designs that promote adherence.
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Abstract
Prior information often takes the form of parameter constraints. Bayesian methods include such information through prior distributions having constrained support. By using posterior sampling algorithms, one can quantify uncertainty without relying on asymptotic approximations. However, sharply constrained priors are not necessary in some settings and tend to limit modelling scope to a narrow set of distributions that are tractable computationally. We propose to replace the sharp indicator function of the constraint with an exponential kernel, thereby creating a close-to-constrained neighbourhood within the Euclidean space in which the constrained subspace is embedded. This kernel decays with distance from the constrained space at a rate depending on a relaxation hyperparameter. By avoiding the sharp constraint, we enable use of off-the-shelf posterior sampling algorithms, such as Hamiltonian Monte Carlo, facilitating automatic computation in a broad range of models. We study the constrained and relaxed distributions under multiple settings and theoretically quantify their differences. Application of the method is illustrated through several novel modelling examples.
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[Trends of injury mortality among children in different stages of the China Children's Development Outlines]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1356-1362. [PMID: 31838804 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To describe the trends and potential reasons responsible for injury mortality among children under 18 years old in different stages of the China Children's Development Outlines (CCDO) for children from 1990 to 2017, in China. Methods: Data derived from the Global Burden of Disease 2017 (GBD2017) were used to analyze the change of injury mortality, among children under 18 years old, by sex and provinces. Results: Since 1990, the Chinese government had formulated and implemented three CCDOs on Children. Each CCDO proposed corresponding main targets and strategic measures based on the development of children under current situation, in each area, accordingly. The first two CCDOs failed to set clear targets for child injury prevention and control, but the third one did propose a quantifiable target. The injury mortality rate of children under 18 years old showed a declining trend in all periods of the three CCDOs, by 26.07%, 40.68% and 26.48%, respectively. Both boys and girls showed significant downward trend in these three stages. Mortality rate on child injury differed in these three stages in all the 31 provinces. Conclusion: Thanks to the contribution of CCDO in different stages that providing important policies and impetus for the prevention and control of child injury, the number of deaths caused by child injury kept reducing, from 1990 to 2017, in China.
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[Analysis on influence of the self-confidence, motivation and authoritative advice factors on the use of child restraint]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1376-1380. [PMID: 31838807 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To establish the model of the self-confidence, motivation and authoritative advice factors influencing the use of child restraint and use structural equation model to test it to provide scientific basis for promoting the advocacy of use of child restraint. Methods: Using multi-stage cluster random sampling method, 9 112 parents from the family with one or more private cars and 0-6 years old children in Shanghai and Shenzhen were investigated about the use of child restraint. A theoretical model of the self-confidence, motivation and authoritative advice factors influencing the use of child restraint was constructed. The theoretical model was validated and quantitatively analyzed by structural equation model. Results: The overall model accords with the expected theoretical model, and the goodness of model fit was fine. The indicators had met the standard. RMSEA=0.03, CFI=0.97. The standardization coefficients of each route showed statistical significance (P<0.05). The standardization coefficients of the influence of authoritative suggestions and motives on self-confidence were 0.45 and 0.30 respectively, and the standardization coefficients of the influence of self-confidence on the use of child restraint was 0.40. The standardization coefficient of the influence of authoritative suggestions on motivation was 0.61. Conclusions: In the advocacy of the use of child restraint, we should attach importance to the use of recommendations from experts and organizations with professional authority, good credibility and public welfare. We should take the status of children's road traffic safety and the mechanism of the role of child restraint as one of the key points of propaganda.
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[Road traffic injury happened on the way to school, among primary and secondary school students in Mengzi city, Honghe prefecture, Yunnan province in 2018]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1381-1385. [PMID: 31838808 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the current situation of road traffic injuries among primary and secondary school students in Mengzi city. Methods: Using the cluster random sampling method, more than 9 000 primary and secondary school students from 20 primary and secondary schools in Mengzi city, were randomly sampled. A questionnaire survey was conducted on the occurrence of road traffic injuries in school students. Results: A total of 9 197 students were surveyed, including 150 from road traffic injuries. The incidence rates of road traffic injuries was 1.63% among students in Mengzi city and 2.85% among junior high school students, with the high incidence in May. The leading places of injuries were village roads (38.00%), city roads (33.33%) and district roads (12.67%), respectively. 26.67% of the traffic injuries occurred on the way to or from schools, with riding on electric bicycle (52.00%) as the major cause and contusion/abrasion (75.33%) appeared as the major signs. Both lower and upper limbs plus multiple parts were accounting for 45.51%, 22.16% and 16.17%, respectively of all the injuries. 70.67% of all the cases with road traffic injuries in children, recovered after treatment. Children with road traffic injuries would stay in the hospital for up to 90 days but spent less than 30 000 Yuan. Conclusion: The incidence of road traffic injuries among students in Mengzi city seemed relatively high, with junior high school students reached the highest. Riding electric bicycle appeared as the leading cause for traffic injuries in children in Mengzi city of Yunnan province.
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[Occurrence of injuries among left-behind children from 27 poor rural areas in 12 provinces of China, 2016]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1369-1375. [PMID: 31838806 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the injuries among 16 459 left-behind children from 27 poor rural areas in 12 provinces of China, 2016. Methods: Data were collected from the survey of 'Health Service Needs Assessment' (HSNA) program on left-behind children, from poor rural areas in the middle and western parts of China. Factors including causes, types, locations, related activities, ways of treatment and outcomes among left-behind children with injuries in 2016, were described and analyzed by gender and age groups. Results: In 2016, per-person and person-time incidence rates of injuries were 8.88% and 11.21%, among the 16 459 left-behind children from 27 poor rural areas in 12 provinces of China, both higher in boys, than in girls. Most injuries were unintentional with its proportion higher in older children. The main types of injuries were seen as falls, blunt and sharp injuries, with burns and animal injuries more common in younger children. Injuries among left-behind children mainly took place at home, kindergarten/school, and on the highways/streets/roads, during playing. Most common ways of treatment would include at the emergency settings, self-treated, with older children more likely to treat by themselves. Most injuries were cured. Conclusions: In programs on prevention and control of injuries targeting the left-behind children in poor rural areas, special attention should be given to older boys, on falls and blunt/sharp injuries, at home or kindergarten/school. Education programs should pinpoint on self-rescue skills and guidance on kids by the parents, with behavioral norms and social support included. Related comprehensive prevention and control mechanism should be developed in families, schools and communities, with medical resources and insurance mechanism explored to serve these population and districts, including those left-behind children.
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[Further promotion on children injury prevention and control in China]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1350-1355. [PMID: 31838803 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Injury is an important public health problem that threatening children's health. Researches have been carried out to prevent child injuries in China. Disease burden on injury for children have been moderated, but remained as the first cause of death in Chinese children, so injury prevention among children should still be treated as priority to promote children's health. It is necessary to establish and improve strategies in injury prevention which should be led by the government and correlated institutes, as to carry out a systematic, comprehensive and scientific system for children injury prevention and control. In order to reduce children's injuries and promote children's health, relevant policies and regulations should base on "Healthy China 2030" to formulate and implement action plans, to carry out practice and scientific research on children injury prevention, and to strengthen the team construction and talent training on this issue.
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[Disease burden on falls among 0-19 years old population in China, in 1990 and 2017]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:1363-1368. [PMID: 31838805 DOI: 10.3760/cma.j.issn.0254-6450.2019.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze and compare the disease burden of falls in Chinese population aged 0-19, in 1990 and 2017. Methods: Indicators including number of deaths, mortality rates, years of life lost due to premature mortality (YLL), years lived with disability (YLD) and disability-adjusted of life years (DALY), on falls, were gathered from the Global Burden of Disease (GBD) 2017 and used to describe the disease burden and corresponding parameters on falls, between 1990 and 2017, in China. Results: In 2017, number of death, YLLs, YLDs, DALYs caused by falls were 5 321, 0.43 million person years, 0.14 million person years and 0.57 million person years respectively, among aged 0-19 group. Rates on standardized mortality, YLLs, YLDs and DALYs on falls were 1.76/100 000, 141.49/100 000, 46.99/100 000, and 188.48/100 000, respectively. The burden of falls decreased with the increase of age. Compared with 1990, disease burden of falls decreased in all age groups, both in male and female, with more seen in the lower age groups. Compared with 1990, the number of deaths, rates on YLLs, YLDs and DALYs caused by falls decreased by 65.08%, 46.63%, 47.38% and 36.33% respectively, in 2017. However, the YLDs rate increased by 73.31% between 1990 and 2017. The ratio of YLLs to DALYs decreased from 90.84% in 1990 to 75.07% in 2017, with a proportion as 17.36%. Conclusion: Compared with 1990, although the disease burden of falls among aged 0-19 group showed a decreasing trend, falls still caused serious disease burden for the aged 0-19 group. Research that targeting prevention on falls, should be continued.
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[The death trend of children under 5 years old due to foreign body in airway in China from 1990 to 2017]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2019; 53:891-895. [PMID: 31474069 DOI: 10.3760/cma.j.issn.0253-9624.2019.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the current situation and the trend of the death due to foreign body in airway in children less than 5 years old in China from 1990 to 2017. Methods: Using the mortality data of foreign body in airway in China from 1990 to 2017 from the Global Disease Burden 2017 (data covered 31 provinces, autonomous regions, municipalities, as well as Hong Kong and Macau Special Administrative Regions, excluding Taiwan Province) to describe the death status of children under 5 years old due to foreign body in airway in China, and to calculate the relative change and 95% uncertainty interval (UI) of mortality rate and proportion of children under 5 years old due to foreign body in airway between 1990 and 2017. The robust linear regression was performed with the first-order lag of mortality, and the supremum Wald test was used to explore whether the mortality trend had obvious structural changes around a certain time point. Results: In 2017, the mortality rate of children under 5 years old due to foreign body in airway in China was 8.57/100 000 (95%UI: 7.41/100 000-9.57/100 000), and there was no significant difference between boys (9.05/100 000, 95%UI: 6.82/100 000-10.23/100 000) and girls (8.02/100 000, 95%UI: 7.02/100 000-9.12/100 000). The supremum Wald test showed that there was a structural change around the year of 2005 (P<0.001) in terms of the mortality rate of foreign body in the airway among children under 5 years old, which depicted a relatively stable trend before 2005 and a significant downward trend after 2005. Compared with 1990, the mortality rate of foreign body in airway among children, boys and girls under 5 years old in 2017 decreased by 49.32% (95%UI: 37.78%-65.41%), 41.22% (95%UI: 25.68%-68.26%) and 56.91% (95%UI: 44.78%-66.70%), respectively; the mortality proportion of foreign body in airway among increased by 153.33% (95%UI: 75.99%-204.56%), 171.05% (95%UI: 48.75%-239.63%) and 137.90% (95%UI: 86.62%-198.09%), respectively; the rank of foreign body in airway in all disease increased by 6 and became the first leading cause of injury from the second. Conclusion: From 1990 to 2017, the mortality rate of foreign body in airway among children, boys and girls under 5 years old in China generally showed a downward trend. Compared with 1990, the mortality proportion of foreign body in airway among these population increased by a relatively large extent in 2017.
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[Analysis on suicide mortality and self-inflicted injury/suicide hospital cases in China from 2006 to 2016]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2019; 53:885-890. [PMID: 31474068 DOI: 10.3760/cma.j.issn.0253-9624.2019.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To describe the epidemiological characteristics of suicide death and self-harm/suicide in China from 2006 to 2016. Methods: Data in this study are from the datasets of National Death Cause Surveillance from 2006 to 2016 and the National Injury Surveillance Dataset 2016. The age-standardized death rate based on the population census in 2000 was used to describe the trend of suicide over years. This study also described the epidemiological characteristics of suicide death and the demographic characteristics, suicide methods and severity of patients who sought medical help after committing suicide or self-inflicted injury in 2016. Results: Age-standardized suicide mortality had been declining from 9.23/100 000 in 2006 to 5.33/100 000 in 2016 by 42.25%. Suicide mortality increased with age. In 2016, the suicide mortality in China was 7.05/100 000, and among people over 85 years old was 49.49/100 000. In 2016, the dominant two suicide methods were poisoning (39.12%) and sharp injury (25.62%). The first leading method of suicide in rural population, urban population and young people aged 10-to 17-year-old was poisoning (65.13%), sharp injury (29.90%) and fall (25.47%), respectively. As age increased, the severity of suicide/self-inflicted injury increased. The proportions of serious cases among young people aged 10-to 17-year-old and older people aged 60 years old and above who sought medical help after committing suicide or self-inflicted injury were 4.88% and 26.86%, respectively. Conclusion: China's suicide mortality has been declining and special attention should be given to the suicide of old people.
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[Comparison of flow conditions of adhesives and retention force of restorations among four cement-retained methods of implant-supported fixed prostheses]. ZHONGHUA KOU QIANG YI XUE ZA ZHI = ZHONGHUA KOUQIANG YIXUE ZAZHI = CHINESE JOURNAL OF STOMATOLOGY 2019; 54:469-474. [PMID: 31288327 DOI: 10.3760/cma.j.issn.1002-0098.2019.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the effect on the flow conditions of adhesives and the retention force of restorations among different cement-retained methods of implant-supported fixed prostheses. Methods: Four common cement-retained methods were selected, including the occlusal hole for screw access (OH), the lingual hole for adhesives overflow (LH), the resin replica for titanium abutment (RR), and the traditional cement-retained method (the control group). The adhesive used in this study was resin-modified glass ionomer cement. The two-dimensional analysis models of computational fluid dynamics (CFD) were established. The flow conditions of adhesives in the adhesion process was analyzed by the CFD analysis. The internal filling ratio and the amount of neck overflow of adhesives below the edge of the prosthesis were calculated. Ten zirconia prostheses in each group were processed and cemented. The retention force was examined by mechanical tensile experiments in vitro. Results: The CFD analysis showed the internal filling ratio of adhesives from high to low was the LH group, the OH group, the RR group and the control group. The amount of neck overflow of adhesives below the edge of the prosthesis from less to more was the RR group, the OH group, the LH group and the control group. The retention force was (240.7±33.9) N in the control group, (278.2±59.1) N in the OH group, (292.9±47.9) N in the LH group, and (262.8±59.4) N in the RR group. There was a statistically significant difference in the retention force between the LH group and the control group (P=0.029). There was no significant difference among the other groups (P>0.05). Conclusions: The modified cement-retained methods can effectively reduce the amount of neck overflow of adhesives, and improve the filling condition of adhesive in the adhesive clearance to ensure the retention force of the prostheses. Clinically, the appropriate modified cement-retained method should be selected according to the three-dimensional position of the implant and the position of prosthetic margin.
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[Current status and change trend of violence against children in China from 2006 to 2015, an analysis on data from National Injury Surveillance System]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 38:1222-1225. [PMID: 28910936 DOI: 10.3760/cma.j.issn.0254-6450.2017.09.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the current status and change trend of violence against children in China and provide evidence for the risk factor and intervention priority identifications and intervention strategy development. Methods: The data of National Injury Surveillance System (NISS) from 2006 to 2015 were used to analyze the change in outpatient visit due to violence against children, injury cases'demographic characteristics, incidence of injury and clinical outcomes of injury cases. Results: A total of 44 319 injury cases caused by violence against children were reported through NISS during this period. The proportion of violence related child injury cases in total child injury cases decreased year by year. In child violence cases reported in 2015, boys accounted for 81.31%, the boy to girl ratio was 2.22∶1. Violence related injuries caused by blunt strike accounted for 65.69%. The incidences of child violence were low in February and during July-August and 48.87% of violence related injuries occurred in schools and public places, bruise accounted for 63.52%. The main injured body part caused by child violence was head (51.18%), and most violence caused injuries (82.66%) were mild, while 83.21% of the injury cases went home after treatment. Conclusions: Violence against children should not be ignored. Male students of middle/high schools are at high risk. Schools are the places where violence against children is prone to occur. Health and safety education should be strengthened to prevent the occurrence of campus violence and improve the child's awareness of self-protection and reduce the incidence of serious violence.
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[Disease burden of animal injury in China, 1990-2016]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2019; 40:52-58. [PMID: 30669731 DOI: 10.3760/cma.j.issn.0254-6450.2019.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the disease burden of animal injury in China between 1990 and 2016. Methods: Data obtained from the Global Burden of Disease 2016 were used to analyze the age and gender specific disease burden of animal injury in China, using the incidence and disability adjusted of life years (DALYs) rate. Relative and annual changes were evaluated. Results: In 2016, the age-standardized incidence and DALYs rate of animal injury in China showed as 245.05 per 100 000 people and 12.73 per 100 000. The age-standardized incidence of non-venomous animal injury was significantly higher than that of venomous animal injury, but the differences in age-standardized incidence and DALYs rate between venomous animal injury and non-venomous animal injury were not significant. Between 1990 and 2016, there was a significantly decreasing trend in the age-standardized incidence and DALYs rate of animal injury, and obvious decline could be seen in the incidence of non-venomous animal injury, compared with venomous animal injury. The incidence and DALYs rate of animal injury declined in both males and females and in different age groups. The obvious decline of incidence and DALYs rate could be found in children aged 5-14 years and aged <5 years. Conclusions: Between 1990 and 2016, there was a significant alleviation of the disease burden of animal injury in China. Young children were most prone to animal injury, resulting in serious disability and death, indicating more attention should be paid to this population at high risk and in animal injury prevention and control programs.
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[The analysis of the trend of mortality rate of falls in China from 1990 to 2015]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2018; 52:498-510. [PMID: 29747342 DOI: 10.3760/cma.j.issn.0253-9624.2018.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the status and trend of the mortality rate of falls in different gender, age groups and provinces in China from 1990 to 2015, to explore the number of subgroups of different trends in all provinces, and to determine the different trajectory of subgroups. Methods: Using the mortality rate of falls in China from 1990 to 2015 from the Global Disease Burden 2015 (data covers 31 provinces, autonomous regions, municipalities, as well as Hong Kong and Macau Special Administrative Regions, excluding Taiwan Province) to describe the status of the mortality rate of falls in different gender, age group and provinces in China 2015 and to calculate the corresponding relative change. Using log linear model to calculate the annual percent changes from 1990 to 2015. The number of subgroups and corresponding characteristics of different trajectories were analyzed by trajectory model to analyze with four indicators, P value of the coefficient of independent variables with different orders in all subgroups, Bayesian information criterion, log Bayes factor and average posterior probability. Results: In 2015, the age standardized mortality rate of falls in China was 8.38/100 000 (95%UI: 5.54/100 000-9.30/100 000), which was higher in men (10.81/100 000, 95%UI: 6.58/100 000-12.14/100 000) than that in women (5.84/100 000,95%UI: 3.41/100 000-6.62/100 000), and in the elderly aged 70-year-old and above (60.50/100 000, 95%UI: 38.36/100 000-67.75/100 000) than that in other age groups. From 1990 to 2015, there was no obvious change in the age standardized mortality rate of falls in total population, men and women with average percent change about 0.37 (95%UI: -0.08-0.83), 0.45 (95%UI: 0.05-0.84) and 0.31 (95%UI: -0.26-0.87) respectively, but a significant decrease and increase could be seen in children under 15-year-old, especially under 5-year-old with average percent change about -4.07 (95%UI: -5.62--2.51), and the elderly aged 70-year-old and above with average percent change about 1.89 (95%UI: 1.42-2.37) respectively. Four types of trajectories could be categorized for different trends of age standardized mortality rate of falls in all provinces. The first group had the lowest fall mortality with a downward trend. The fall mortality was close in the second and third group but with different change tendency, a decreasing propensity in the former and an increasing one in the latter. The fourth group had the highest fall morality with obvious fluctuation. Conclusion: There was no significant change in the age standardized mortality rate of falls in China from 1990 to 2015. However, the trend of age standardized mortality rate of falls varied in different age and provinces during the same period of time.
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Joint hierarchical Gaussian process model with application to personalized prediction in medical monitoring. Stat (Int Stat Inst) 2018; 7. [PMID: 29593867 DOI: 10.1002/sta4.178] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A two-level Gaussian process (GP) joint model is proposed to improve personalized prediction of medical monitoring data. The proposed model is applied to jointly analyze multiple longitudinal biomedical outcomes, including continuous measurements and binary outcomes, to achieve better prediction in disease progression. At the population level of the hierarchy, two independent GPs are used to capture the nonlinear trends in both the continuous biomedical marker and the binary outcome, respectively; at the individual level, a third GP, which is shared by the longitudinal measurement model and the longitudinal binary model, induces the correlation between these two model components and strengthens information borrowing across individuals. The proposed model is particularly advantageous in personalized prediction. It is applied to the motivating clinical data on cystic fibrosis disease progression, for which lung function measurements and onset of acute respiratory events are monitored jointly throughout each patient's clinical course. The results from both the simulation studies and the cystic fibrosis data application suggest that the inclusion of the shared individual-level GPs under the joint model framework leads to important improvements in personalized disease progression prediction.
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[Disease burden caused by violence in the Chinese population, in 1990 and 2013]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 38:1315-1319. [PMID: 29060971 DOI: 10.3760/cma.j.issn.0254-6450.2017.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the disease burden of violence in the Chinese population, in 1990 and 2013. Methods: Indicators including mortality rate, years of life lost due to premature mortality (YLL), years lived with disability (YLD), and disability-adjusted of life years (DALY) related to violence, were extracted from the Global Burden of Disease 2013 and used to describe the burden of disease caused by violence in the Chinese population. Data related to corresponding parameters on disease burden of violence in 1990 and 2013 were described. Results: In 2013, a total of 20 500 people died of violent events, with the death rate as 1.44 per 100 000, in China. DALY caused by violence was 1.08 million person years in 2013. DALY caused by sharp violence was 0.47 million person years, with 0.09 million person years lost due to firearm violence. Disease burden caused by violence appeared higher in males than in females. When comparing with data from the 1990s, reductions were seen by 67.35% on the standardized death rate of violence, by 68.07% on the DALY attributable to violence, and by 70.47% on the standardized DALY rate attributable to violence, respectively, in 2013. Disease burden of violence among young adults and elderly was among the highest. When comparing with data from the 1990, DALY in 2013 decreased among all the age groups except for the 70-year-old showed an increase of 9.36%. The standardized DALY rate in 2013 showed a declining trend in all the age groups, mostly in the 0-4-year-old group. The standardized DALY rates caused by sharp violence or firearm decreased by75.11% and 83.20% in the 0-4-year-old group. Conclusion: In recent years, the disease burden caused by violence showed a decreasing trend but appeared higher in males however with the increase of DALY in the elder population.
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[Comprehensive evaluation on disease burden of injury and improvement of the related evidence system on injury prevention]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 38:1305-1307. [PMID: 29060969 DOI: 10.3760/cma.j.issn.0254-6450.2017.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
With rapid social and economic development in this country, injury has become one of the three major health issues with public concern. To reduce the burden of diseases as disability and medical treatment that caused by injury also became important in public health. Programs related to comprehensive evaluation on disease burden caused by injury and evidence-based strategies on injury-related prevention became substantially important. Our article- "The Disease Burden caused by Injury" , we involved a series of papers based on the systematic databases which focusing on the current status and the change of types of injuries in the Chinese population. Hopefully, it could provide key clues for the development of injury prevention and control programs in the future.
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[Disease burden on falls among elderly aged 70 and over in the Chinese population, in 1990 and 2013]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 38:1330-1334. [PMID: 29060974 DOI: 10.3760/cma.j.issn.0254-6450.2017.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the disease burden of falls in Chinese population aged 70 and over, in 1990 and 2013 and to provide evidence for the development of prevention strategies on falls in the elderly. Methods: Indicators including mortality rate, years of life lost due to premature mortality (YLL), years lived with disability (YLD) and disability-adjusted of life years (DALY) on falls, were gathered from the results of Global Burden of Disease 2013 and used to describe the disease burden of falls in China by calculating the changing rates on corresponding parameters in 1990 and 2013. Results: In 2013, the number of deaths, YLLs, YLDs, DALYs caused by falls among Chinese population aged 70 and over were 48 800, 0.44 million person years, 0.30 millions person years, and 0.74 million person years, respectively. The standardized mortality rate, rates on YLLs, YLDs and DALYs of falls were 561.71 per 100 000, 55.87 per 100 000, 373.98 per 100 000 and 929.85 per 100 000, respectively. The burden of falls increased along with the increase of age. Compared with 1990, the number of deaths, YLLs, YLDs and DALYs caused by falls increased by 308.80%, 161.01%, 54.67% and 104.47%, respectively, in 2013, more seen in males than in females. The standardized mortality rate, YLLs and DALYs caused by falls increased by 63.67%, 38.54% and 73.08%, respectively, during 1990 and 2013. However, the standardized YLDs rate fell by 17.90% during the same period. Conclusion: Falls caused heavy disease burden which increased in 1990 and 2013 among the Chinese population aged 70 and over.
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[Disease burden caused by suicide in the Chinese population, in 1990 and 2013]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2018; 38:1325-1329. [PMID: 29060973 DOI: 10.3760/cma.j.issn.0254-6450.2017.10.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To provide basic suicide prevention strategy through analyzing the disease burden of suicide in the Chinese population, in 1990 and 2013. Methods: Indicators including mortality rate, years of life lost due to premature mortality (YLL), years lived with disability (YLD), and disability-adjusted of life years (DALY) on suicide, were from the results of Global Burden of Disease 2013 and used to describe the burden of disease caused by suicide in Chinese population. Data described the disease burden of suicide in China by comparing the corresponding parameters in 1990 and 2013. Results: In 2013, the standard mortality on suicide was 9.08 per 100 000, and 73.39 per 100 000 in the 80 and above year-old, with the highest rates on DALY and YLL seen in the 75-79-year-old. Each parameter related to suicide burden in males appeared higher than that in females. Compare to data in the 1990s, these parameters declined in 2013, especially seen in females. The rate of YLLs/YLDs on suicide was 90.03 in 2013, 89.83 in males and 89.00 in females. Conclusion: The disease burden of suicide decreased sharply between 1990 and 2013 but was still a serious issue in the elderly that called for more attention.
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The Effects of Medication Alerts on Prescriber Response in a Pediatric Hospital. Appl Clin Inform 2017; 8:491-501. [PMID: 28487930 PMCID: PMC6241745 DOI: 10.4338/aci-2016-10-ra-0168] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 02/28/2017] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE More than 70% of hospitals in the United States have electronic health records (EHRs). Clinical decision support (CDS) presents clinicians with electronic alerts during the course of patient care; however, alert fatigue can influence a provider's response to any EHR alert. The primary goal was to evaluate the effects of alert burden on user response to the alerts. METHODS We performed a retrospective study of medication alerts over a 24-month period (1/2013-12/2014) in a large pediatric academic medical center. The institutional review board approved this study. The primary outcome measure was alert salience, a measure of whether or not the prescriber took any corrective action on the order that generated an alert. We estimated the ideal number of alerts to maximize salience. Salience rates were examined for providers at each training level, by day of week, and time of day through logistic regressions. RESULTS While salience never exceeded 38%, 49 alerts/day were associated with maximal salience in our dataset. The time of day an order was placed was associated with alert salience (maximal salience 2am). The day of the week was also associated with alert salience (maximal salience on Wednesday). Provider role did not have an impact on salience. CONCLUSION Alert burden plays a role in influencing provider response to medication alerts. An increased number of alerts a provider saw during a one-day period did not directly lead to decreased response to alerts. Given the multiple factors influencing the response to alerts, efforts focused solely on burden are not likely to be effective.
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[Road-side observational survey on 4 unlawful acts among electric bicycle riders in Zhejiang]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2017; 37:629-33. [PMID: 27188351 DOI: 10.3760/cma.j.issn.0254-6450.2016.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To investigate the prevalence of key unlawful acts among electric bicycle riders and provide evidence for the development of specific interventions. METHODS A 4-day road-side survey was conducted in Jinhua, Zhejiang province, in 2013. The speed of electric bicycle was measured by speed measuring instrument and the unlawful acts of riders, such as reverse riding, running the red-light and carrying passengers, were observed with non-participatory way. RESULTS A total of 3 448 running electric bicycles were observed and the average speed was 26 km/h, the proportion of electric bicycle at the speed of ≥15 km/h was 87.06%. The average speed was highest during 10 am-11 am(30 km/h). the number of observed electric bicycle riders with unlawful acts of ' running the red-light','reverse riding' and ' carrying passengers' were 1 315, 656 and 1 877 respectively, and the estimated rate was 10.01%, 4.99% and 15.22%, respectively. More ' running the red-light','reverse riding' and ' carrying passengers' occurred during 7 am-8 am(14.59%)and 13 pm-14 pm(15.25%), 13 pm-14 pm(7.33%)and 17 pm-18 pm(7.63%), 6 am-7 am(32.44%)and 12 pm-13 pm(27.90%), respectively. CONCLUSION Overspeeding, carrying passengers, running the red-light, reverse riding were the key unlawful acts among electric bicycle riders. Targeted intervention should be carried out to reduce the prevalence of unlawful riding acts and the incidence of electric bicycle related injuries and deaths.
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Longitudinal Patterns of Glycemic Control and Blood Pressure in Pregnant Women with Type 1 Diabetes Mellitus: Phenotypes from Functional Data Analysis. Am J Perinatol 2016; 33:1282-1290. [PMID: 27490775 PMCID: PMC5294951 DOI: 10.1055/s-0036-1586507] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Objective To identify phenotypes of type 1 diabetes control and associations with maternal/neonatal characteristics based on blood pressure (BP), glucose, and insulin curves during gestation, using a novel functional data analysis approach that accounts for sparse longitudinal patterns of medical monitoring during pregnancy. Methods We performed a retrospective longitudinal cohort study of women with type 1 diabetes whose BP, glucose, and insulin requirements were monitored throughout gestation as part of a program-project grant. Scores from sparse functional principal component analysis (fPCA) were used to classify gestational profiles according to the degree of control for each monitored measure. Phenotypes created using fPCA were compared with respect to maternal and neonatal characteristics and outcome. Results Most of the gestational profile variation in the monitored measures was explained by the first principal component (82-94%). Profiles clustered into three subgroups of high, moderate, or low heterogeneity, relative to the overall mean response. Phenotypes were associated with baseline characteristics, longitudinal changes in glycohemoglobin A1 and weight, and to pregnancy-related outcomes. Conclusion Three distinct longitudinal patterns of glucose, insulin, and BP control were found. By identifying these phenotypes, interventions can be targeted for subgroups at highest risk for compromised outcome, to optimize diabetes management during pregnancy.
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Abstract
We propose a novel "tree-averaging" model that utilizes the ensemble of classification and regression trees (CART). Each constituent tree is estimated with a subset of similar data. We treat this grouping of subsets as Bayesian Ensemble Trees (BET) and model them as a Dirichlet process. We show that BET determines the optimal number of trees by adapting to the data heterogeneity. Compared with the other ensemble methods, BET requires much fewer trees and shows equivalent prediction accuracy using weighted averaging. Moreover, each tree in BET provides variable selection criterion and interpretation for each subset. We developed an efficient estimating procedure with improved estimation strategies in both CART and mixture models. We demonstrate these advantages of BET with simulations and illustrate the approach with a real-world data example involving regression of lung function measurements obtained from patients with cystic fibrosis. Supplemental materials are available online.
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Concentration of fractional excretion of nitric oxide (FENO): A potential airway biomarker of restored CFTR function. J Cyst Fibros 2015. [PMID: 26210165 DOI: 10.1016/j.jcf.2015.07.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Lower airway biomarkers of restored cystic fibrosis transmembrane conductance regulator (CFTR) function are limited. We hypothesized that fractional excretion of nitric oxide (FENO), typically low in CF patients, would demonstrate reproducibility during CFTR-independent therapies, and increase during CFTR-specific intervention (ivacaftor) in patients with CFTR gating mutations. METHODS Repeated FENO and spirometry measurements in children with CF (Cohort 1; n=29) were performed during hospital admission for acute pulmonary exacerbations and routine outpatient care. FENO measurements before and after one month of ivacaftor treatment (150 mg every 12h) were completed in CF patients with CFTR gating mutations (Cohort 2; n=5). RESULTS Cohort 1: Mean forced expiratory volume in 1s (FEV1 % predicted) at enrollment was 72.3% (range 25%-102%). Mean FENO measurements varied minimally over the two inpatient and two outpatient measurements (9.8-10.9 ppb). There were no clear changes related to treatment of pulmonary exacerbations, gender, genotype or microbiology, and weak correlation with inhaled corticosteroid use (P<0.05). Between the two inpatient measurements, FEV1 % predicted increased by 7.3% (P<0.03) and FENO did not change. In Cohort 2, mean FENO increased from 6.6 ppb (SD=2.19) to 11.8 ppb (SD=4.97) during ivacaftor treatment. Mean sweat chloride dropped by 58 mM and mean FEV1 % predicted increased by 10.2%. CONCLUSIONS Repeated FENO measurements were stable in CF patients, whereas FENO increased in all patients with CFTR gating mutations treated with ivacaftor. Acute changes in FENO may serve as a biomarker of restored CFTR function in the CF lower airway during CFTR modulator treatment.
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Injuries among children in China: results from national injury surveillance system, 2010. Inj Prev 2012. [DOI: 10.1136/injuryprev-2012-040590d.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Capacity building for injury prevention in China pilot evaluation of World Health Organization's TEACH-VIP curriculum. Int J Inj Contr Saf Promot 2007; 14:57-9. [PMID: 17624013 DOI: 10.1080/17457300600980599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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alpha-1,3-Fucosyltransferase-VII stimulates the growth of hepatocarcinoma cells via the cyclin-dependent kinase inhibitor p27Kip1. Cell Mol Life Sci 2005; 62:171-8. [PMID: 15666088 DOI: 10.1007/s00018-004-4349-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
After the transfection of alpha-1,3-fucosyltransferase (FucT)-VII cDNA into H7721 human hepatocarcinoma cells, the protein expression of some cyclins, cyclin-dependent kinases (CDKs) and cyclin-dependent kinase inhibitors (CDIs) p16INK4 and p21waf1/Cip1 were unchanged. However, CDI p27Kip1 protein, both the total amount and the amount that bound to CDK2, but not its mRNA, was significantly reduced. The de-inhibited CDK2 stimulated the phosphorylation of retinoblastoma (Rb) protein and facilitated the G1/S transition and growth rate of the cells. The decrease of p27Kip1 protein, the increase of CDK2 activity and Rb phosphorylation, as well as the cell growth and percentage of S phase cells were correlated to the increased amount of cell surface sialyl Lewis X (SLe(x)) antigen in cells with different alpha-1,3-FucT-VII expression. The reduction in p27Kip1 and the difference in its expression among different transfected cells were blocked by the SLe(x) antibody KM93 in a dose-dependent manner, indicating that p27Kip1 expression was influenced by alpha-1,3-FucT-VII and its product SLe(x). The MEK/MAPK signaling pathway was more important than the PI-3K pathway in the regulation of p27Kip1 expression.
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