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Koh S, Kenji D, Franklin R. Working towards 2030 road safety targets, the need for specific rural and remote children strategies. Aust J Rural Health 2024; 32:320-331. [PMID: 38375971 DOI: 10.1111/ajr.13091] [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: 08/21/2023] [Revised: 12/24/2023] [Accepted: 02/05/2024] [Indexed: 02/21/2024] Open
Abstract
INTRODUCTION Despite the importance of child road traffic death, the knowledge about rural child road traffic death in Australia is limited. OBJECTIVE To explore the difference of child road traffic death between urban and rural areas. DESIGN This study was a retrospective analysis of road traffic death in Australia among children and adolescents aged 0-19 registered between 1 January 2009 and 30 June 2019. RESULTS During the study period, there were 1757 child road traffic death in Australia, and the crude mortality rate was 2.96 per 100 000 population. The crude mortality rate in remote (8.83 per 100 000 population) and very remote (11.08 per 100 000 population) areas was much higher than major cities (1.83 per 100 000 population), inner regional (5.14 per 100 000 population) and outer regional (5.91 per 100 000 population). CONCLUSIONS Specific targets are needed to address the burden of child road traffic death in Australia around rurality, as it is a significant risk factor of child road traffic death.
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Affiliation(s)
- Soonho Koh
- Public Health and Tropical Medicine, James Cook University, Townsville, Queensland, Australia
| | - Doma Kenji
- College of Healthcare Science, Sports and Exercise Science, James Cook University, Townsville, Queensland, Australia
| | - Richard Franklin
- Public Health and Tropical Medicine, James Cook University, Townsville, Queensland, Australia
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Goel R, Tiwari G, Varghese M, Bhalla K, Agrawal G, Saini G, Jha A, John D, Saran A, White H, Mohan D. Effectiveness of road safety interventions: An evidence and gap map. CAMPBELL SYSTEMATIC REVIEWS 2024; 20:e1367. [PMID: 38188231 PMCID: PMC10765170 DOI: 10.1002/cl2.1367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Background Road Traffic injuries (RTI) are among the top ten leading causes of death in the world resulting in 1.35 million deaths every year, about 93% of which occur in low- and middle-income countries (LMICs). Despite several global resolutions to reduce traffic injuries, they have continued to grow in many countries. Many high-income countries have successfully reduced RTI by using a public health approach and implementing evidence-based interventions. As many LMICs develop their highway infrastructure, adopting a similar scientific approach towards road safety is crucial. The evidence also needs to be evaluated to assess external validity because measures that have worked in high-income countries may not translate equally well to other contexts. An evidence gap map for RTI is the first step towards understanding what evidence is available, from where, and the key gaps in knowledge. Objectives The objective of this evidence gap map (EGM) is to identify existing evidence from all effectiveness studies and systematic reviews related to road safety interventions. In addition, the EGM identifies gaps in evidence where new primary studies and systematic reviews could add value. This will help direct future research and discussions based on systematic evidence towards the approaches and interventions which are most effective in the road safety sector. This could enable the generation of evidence for informing policy at global, regional or national levels. Search Methods The EGM includes systematic reviews and impact evaluations assessing the effect of interventions for RTI reported in academic databases, organization websites, and grey literature sources. The studies were searched up to December 2019. Selection Criteria The interventions were divided into five broad categories: (a) human factors (e.g., enforcement or road user education), (b) road design, infrastructure and traffic control, (c) legal and institutional framework, (d) post-crash pre-hospital care, and (e) vehicle factors (except car design for occupant protection) and protective devices. Included studies reported two primary outcomes: fatal crashes and non-fatal injury crashes; and four intermediate outcomes: change in use of seat belts, change in use of helmets, change in speed, and change in alcohol/drug use. Studies were excluded if they did not report injury or fatality as one of the outcomes. Data Collection and Analysis The EGM is presented in the form of a matrix with two primary dimensions: interventions (rows) and outcomes (columns). Additional dimensions are country income groups, region, quality level for systematic reviews, type of study design used (e.g., case-control), type of road user studied (e.g., pedestrian, cyclists), age groups, and road type. The EGM is available online where the matrix of interventions and outcomes can be filtered by one or more dimensions. The webpage includes a bibliography of the selected studies and titles and abstracts available for preview. Quality appraisal for systematic reviews was conducted using a critical appraisal tool for systematic reviews, AMSTAR 2. Main Results The EGM identified 1859 studies of which 322 were systematic reviews, 7 were protocol studies and 1530 were impact evaluations. Some studies included more than one intervention, outcome, study method, or study region. The studies were distributed among intervention categories as: human factors (n = 771), road design, infrastructure and traffic control (n = 661), legal and institutional framework (n = 424), post-crash pre-hospital care (n = 118) and vehicle factors and protective devices (n = 111). Fatal crashes as outcomes were reported in 1414 records and non-fatal injury crashes in 1252 records. Among the four intermediate outcomes, speed was most commonly reported (n = 298) followed by alcohol (n = 206), use of seatbelts (n = 167), and use of helmets (n = 66). Ninety-six percent of the studies were reported from high-income countries (HIC), 4.5% from upper-middle-income countries, and only 1.4% from lower-middle and low-income countries. There were 25 systematic reviews of high quality, 4 of moderate quality, and 293 of low quality. Authors' Conclusions The EGM shows that the distribution of available road safety evidence is skewed across the world. A vast majority of the literature is from HICs. In contrast, only a small fraction of the literature reports on the many LMICs that are fast expanding their road infrastructure, experiencing rapid changes in traffic patterns, and witnessing growth in road injuries. This bias in literature explains why many interventions that are of high importance in the context of LMICs remain poorly studied. Besides, many interventions that have been tested only in HICs may not work equally effectively in LMICs. Another important finding was that a large majority of systematic reviews are of low quality. The scarcity of evidence on many important interventions and lack of good quality evidence-synthesis have significant implications for future road safety research and practice in LMICs. The EGM presented here will help identify priority areas for researchers, while directing practitioners and policy makers towards proven interventions.
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Affiliation(s)
- Rahul Goel
- Transportation Research and Injury Prevention CentreIndian Institute of Technology DelhiNew DelhiIndia
| | - Geetam Tiwari
- Transportation Research and Injury Prevention CentreIndian Institute of Technology DelhiNew DelhiIndia
| | | | - Kavi Bhalla
- Department of Public Health SciencesUniversity of ChicagoChicagoIllinoisUSA
| | - Girish Agrawal
- Transportation Research and Injury Prevention CentreIndian Institute of Technology DelhiNew DelhiIndia
| | | | - Abhaya Jha
- Transportation Research and Injury Prevention CentreIndian Institute of Technology DelhiNew DelhiIndia
| | - Denny John
- Faculty of Life and Allied Health SciencesM S Ramaiah University of Applied Sciences, BangaloreKarnatakaIndia
| | | | | | - Dinesh Mohan
- Transportation Research and Injury Prevention CentreIndian Institute of Technology DelhiNew DelhiIndia
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Trinidad S, Kotagal M. Social determinants of health as drivers of inequities in pediatric injury. Semin Pediatr Surg 2022; 31:151221. [PMID: 36347129 DOI: 10.1016/j.sempedsurg.2022.151221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A child's social determinants of health (SDH), including their neighborhood environment, insurance status, race and ethnicity, English language proficiency and geographic location, all significantly impact their risk of injury and outcomes after injury. Children from socioeconomically disadvantaged neighborhoods experience overall higher rates of injury and different types of injuries, including higher rates of motor vehicle-, firearm-, and violence-related injuries. Similarly, children with public insurance or no insurance, as a proxy for lower socioeconomic status, experience higher rates of injuries including firearm-related injuries and non-accidental trauma, with overall worse outcomes. Race and associated racism also impact a child's risk of injury and care received after injury. Black children, Hispanic children, and those from other minority groups disproportionately experience socioeconomic disadvantage with sequelae of injury risk as described above. Even after controlling for socioeconomic status, there are still notable disparities with further evidence of racial inequities and bias in pediatric trauma care after injury. Finally, where a child lives geographically also significantly impacts their risk of injury and available care after injury, with differences based on whether a child lives in a rural or urban area and the degree of state laws regarding injury prevention. There are clear inequities based on a child's SDH, most predominantly in a child's risk of injury and the types of injuries they experience. These injuries are preventable and the SDH provide potential upstream targets in injury prevention efforts.
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Affiliation(s)
- Stephen Trinidad
- Division of Pediatric General and Thoracic Surgery, Cincinnati Children...s Hospital Medical Center, Cincinnati, Ohio.
| | - Meera Kotagal
- Assistant Professor, Division of General and Thoracic Surgery, Director, Trauma Services, Director, Pediatric Surgery Global Health Program, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, MLC 2023, Cincinnati, OH 45229, United States.
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Batomen B, Moore L, Carabali M, Tardif PA, Champion H, Nandi A. Effectiveness of trauma centre verification: a systematic review and meta-analysis. Can J Surg 2021; 64:E25-E38. [PMID: 33450148 PMCID: PMC7955829 DOI: 10.1503/cjs.016219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background There is a growing trend toward verification of trauma centres, but its impact remains unclear. This systematic review aimed to synthesize available evidence on the effectiveness of trauma centre verification. Methods We conducted a systematic search of the CINAHL, Embase, HealthStar, MEDLINE and ProQuest databases, as well as the websites of key injury organizations for grey literature, from inception to June 2019, without language restrictions. Our population consisted of injured patients treated at trauma centres. The intervention was trauma centre verification. Comparison groups comprised nonverified trauma centres, or the same centre before it was first verified or re-verified. The primary outcome was in-hospital mortality; secondary outcomes included adverse events, resource use and processes of care. We computed pooled summary estimates using random-effects meta-analysis. Results Of 5125 citations identified, 29, all conducted in the United States, satisfied our inclusion criteria. Mortality was the most frequently investigated outcome (n = 20), followed by processes of care (n = 12), resource use (n = 12) and adverse events (n = 7). The risk of bias was serious to critical in 22 studies. We observed an imprecise association between verification and decreased mortality (relative risk 0.74, 95% confidence interval 0.52 to 1.06) in severely injured patients. Conclusion Our review showed mixed and inconsistent associations between verification and processes of care or patient outcomes. The validity of the published literature is limited by the lack of robust controls, as well as any evidence from outside the US, which precludes extrapolation to other health care jurisdictions. Quasiexperimental studies are needed to assess the impact of trauma centre verification. Systematic reviews registration PROSPERO no. CRD42018107083
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Affiliation(s)
- Brice Batomen
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
| | - Lynne Moore
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
| | - Mabel Carabali
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
| | - Pier-Alexandre Tardif
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
| | - Howard Champion
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
| | - Arijit Nandi
- From the Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Batomen, Carabali); the Department of Social and Preventive Medicine, Université Laval, Québec, Que. (Moore) and the Population Health and Optimal Health Practices Research Unit, Trauma - Emergency - Critical Care Medicine, Centre de recherche du CHU de Québec - Université Laval, Québec, Que. (Moore, Tardif); the Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Md. (Champion); and the Institute for Health and Social Policy, Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Que. (Nandi)
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Abstract
BACKGROUND Helmets are effective in reducing traumatic brain injury. However, population effects of helmet laws have not been well described. This study assesses the impact of helmet laws on the motorcycle (MC) fatality rate in the United States from 1999 to 2015. METHODS Fatality Analysis Reporting System MC fatalities (aged ≥16 years), crash characteristics, and MC-related laws were collected by year for all 50 states from 1999 to 2015 to create a pooled time series. Generalized linear autoregressive modeling was applied to assess the relative contribution of helmet laws to the MC fatality rate while controlling for other major driver laws and crash characteristics. RESULTS Universal helmet laws were associated with a 36% to 45% decline in the motorcycle crash mortality rate during the study period across all age cohorts (unstandardized regression coefficients are reported): 16 to 20 years, B = -0.45 (p < 0.05); 21 to 55 years, B = -0.42 (p < 0.001); 56 to 65 years, B = -0.38 (p < 0.04); and older than 65 years, B = -0.36 (p < 0.02). Partial helmet laws were associated with a 1% to 81% increase in the fatality rate compared with states with no helmet laws and a 22% to 45% increase compared with universal laws. Helmet usage did not attenuate the countervailing effect of weaker partial laws for 16 to 20 years (B = 0.01 [p < 0.001]). Other laws associated with a declining motorcycle crash mortality rate included the following: social host/overservice laws, 21 to 55 years (B = -0.38 [p < 0.001]); 56 to 65 years (B = -0.16 [p < 0.002]), and older than 65 years (B = -0.12 [p < 0.003]); laws reducing allowable blood alcohol content, 21 to 55 years (B = -4.9 [p < 0.02]); and laws limiting passengers for new drivers 16 to 20 years (B = -0.06 [p < 0.01]). CONCLUSION During the period of the study, universal helmet laws were associated with a declining mortality rate, while partial helmet laws were associated with an increasing mortality rate. Other state driver laws were also associated with a declining rate. In addition to universal helmet laws, advocating for strict alcohol control legislation and reevaluation of licenses in older riders could also result in significant reduction in MC-related mortality. LEVEL OF EVIDENCE Prognostic and epidemiological, level III.
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Hartka T, Vaca FE. Factors associated with EMS transport decisions for pediatric patients after motor vehicle collisions. TRAFFIC INJURY PREVENTION 2020; 21:S60-S65. [PMID: 33119415 PMCID: PMC8081732 DOI: 10.1080/15389588.2020.1830382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 08/31/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVE Prehospital non-transport events occur when emergency medicine service (EMS) providers respond to a scene, but the patient is ultimately not transported to a hospital for evaluation. The objective of this study was to determine the rate of non-transport of pediatric patients who were involved in a motor vehicle collision (MVC) and the factors associated with non-transport decisions. METHODS We searched the National Emergency Medical Services Information System (NEMSIS) database using ICD-10 mechanism of injury codes to identify cases in which EMS responded to a pediatric occupant (age < 18 years) who had been involved in an MVC. We excluded interfacility transports, scene assists, deaths at the scene, and collisions that occurred outside the US. The outcome of interest was if pediatric patients were not transported to a hospital for evaluation. We performed univariate and multivariate analysis to identify which risk factors were associated with non-transport. We also analyzed regional variation and the reasons recorded for not transporting patients. RESULTS We identified 92,254 pediatric patients who were evaluated by EMS after an MVC, of which 31,404 (34.0%) were not transported to a hospital for evaluation. In our adjusted analysis, the factors associated with non-transport were age <1 year or >16 years, male sex, normal Glasgow Coma Scale (GCS = 15), level of training of EMS providers, response time later than 6 a.m., and region of the country. GCS was the most important factor, with only 3.0% (108/3,616) of patients not transported who had abnormal GCS (< 15). In cases of non-transport, 32.7% (10257) were due to patient or caregiver refusal, and 33.3% (10,442) were due to patients being discharged against medical advice. Only 11.5% (3,627) pediatric patients who were not transported were discharged based on an established protocol. CONCLUSIONS Pediatric patients were not transported after EMS responded to an MVC in approximately one-third of cases, and there was considerable variation in the rate of non-transports based on geographic region, provider level, and time of day. The majority of non-transports occurred because patients were discharged against medical advice or the patient/caregiver refused transport, which may indicate conflicting priorities between EMS providers and patients.
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Affiliation(s)
- Thomas Hartka
- Department of Emergency Medicine, University of Virginia, Charlottesville, Virginia
| | - Federico E. Vaca
- Department of Emergency Medicine and the Yale Developmental Neurocognitive Driving Simulation Research Center, Yale School of Medicine, New Haven, Connecticut
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Temporal trends in patient characteristics, injury mechanisms and outcomes in pediatric trauma admissions between 2010 and 2017. Am J Surg 2020; 220:468-475. [DOI: 10.1016/j.amjsurg.2019.11.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/23/2019] [Accepted: 11/04/2019] [Indexed: 11/19/2022]
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Notrica DM, Sayrs LW, Krishna N, Rowe D, Jaroszewski DE, McMahon LE. The impact of state laws on motor vehicle fatality rates, 1999-2015. J Trauma Acute Care Surg 2020; 88:760-769. [PMID: 32195995 PMCID: PMC7473820 DOI: 10.1097/ta.0000000000002686] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 02/18/2020] [Accepted: 02/29/2020] [Indexed: 12/03/2022]
Abstract
BACKGROUND Motor vehicle crash (MVC) fatalities have been declining while states passed various legislation targeting driver behaviors. This study assesses the impact of state laws on MVC fatality rates to determine which laws were effective. METHODS Publically available data were collected on driver-related motor vehicle laws, law strengths, enactment years, and numbers of verified-trauma centers. Prospective data on crash characteristics and MVC fatalities 16 years or older from Fatality Analysis Reporting System 1999 to 2015 (n = 850) were obtained. Generalize Linear Autoregressive Modeling was used to assess the relative contribution of state laws to the crude MVC fatality rate while controlling for other factors. RESULTS Lowering the minimum blood alcohol content (BAC) was associated with largest declines for all ages, especially the older cohorts: 16 years to 20 years (B = 0.23; p < 0.001), 21 years to 55 years (B = 1.7; p < 0.001); 56 years to 65 years (B = 3.2; p < 0.001); older than 65 years (B = 4.1; p < 0.001). Other driving under the influence laws were also significant. Per se BAC laws accompanying a reduced BAC further contributed to declines in crude fatality rates: 21 years to 55 years (B = -0.13; p < 0.001); older than 65 years (B = -0.17; p < 0.05). Driving under the influence laws enhancing the penalties, making revocation automatic, or targeting social hosts had mixed effects by age. Increased enforcement, mandatory education, vehicle impoundment, interlock devices, and underage alcohol laws showed no association with declining mortality rates. Red light camera and seatbelt laws were associated with declines in mortality rates for all ages except for older than 65 years cohort, but speed camera laws had no effect. Graduated Driver License laws were associated with declines for 16 years to 21 years (B = -0.06; p < 0.001) only. Laws targeting specific risks (elderly, motorcycles, marijuana) showed no effect on declining MVC mortality rates during the study period. CONCLUSION States have passed a wide variety of laws with varying effectiveness. A few key laws, specifically laws lowering allowable BAC, implementing red light cameras, and mandating seatbelt use significantly reduced MVC mortality rates from 1999 to 2015. Simply adding more laws/penalties may not equate directly to lives saved. Continued research on state laws will better inform policy makers to meet evolving public health needs in the management of MVC fatalities. LEVEL OF EVIDENCE Epidemiological, Level III.
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Affiliation(s)
- David M Notrica
- From the Level 1 Pediatric Trauma Center (D.M.N., L.W.S., N.K., D.R., D.E.J., L.E.M.), Phoenix Children's Hospital; University of Arizona College of Medicine-Phoenix (D.M.N., L.W.S., D.R., L.E.M.); and Department of Cardiovascular and Thoracic Surgery, Mayo Clinic School of Medicine-Phoenix (D.M.N., D.R., D.E.J., L.E.M.), Phoenix, Arizona
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Mitratza M, Kardaun JWPF, Kunst AE. How large should a cause of death be in order to be included in mortality trend analysis? Deriving a cut-off point from retrospective trend analyses in 21 European countries. BMJ Open 2020; 10:e031702. [PMID: 31969361 PMCID: PMC7044923 DOI: 10.1136/bmjopen-2019-031702] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVES The International Classification of Diseases (ICD-10) distinguishes a large number of causes of death (CODs) that could each be studied individually when monitoring time-trends. We aimed to develop recommendations for using the size of CODs as a criterion for their inclusion in long-term trend analysis. DESIGN Retrospective trend analysis. SETTING 21 European countries of the WHO Mortality Database. PARTICIPANTS Deaths from CODs (3-position ICD-10 codes) with ≥5 average annual deaths in a 15-year period between 2000 and 2016. PRIMARY AND SECONDARY OUTCOME MEASURES Fitting polynomial regression models, we examined for each COD in each country whether or not changes over time were statistically significant (with α=0.05) and we assessed correlates of this outcome. Applying receiver operating characteristicROC curve diagnostics, we derived COD size thresholds for selecting CODs for trends analysis. RESULTS Across all countries, 64.0% of CODs had significant long-term trends. The odds of having a significant trend increased by 18% for every 10% increase of COD size. The independent effect of country was negligible. As compared to circulatory system diseases, the probability of a significant trend was lower for neoplasms and digestive system diseases, and higher for infectious diseases, mental diseases and signs-and-symptoms. We derived a general threshold of around 30 (range: 28-33) annual deaths for inclusion of a COD in trend analysis. The relevant threshold for neoplasms was around 65 (range: 61-70) and for infectious diseases was 20 (range: 19-20). CONCLUSIONS The likelihood that long-term trends are detected with statistical significance is strongly related to COD size and varies between ICD-10 chapters, but has no independent relation to country. We recommend a general size criterion of 30 annual deaths to select CODs for long-term mortality-trends analysis in European countries.
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Affiliation(s)
- Marianna Mitratza
- Department of Public Health, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Jan W P F Kardaun
- Department of Public Health, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
- Department of Health and Care, Statistics Netherlands, The Hague, The Netherlands
| | - Anton E Kunst
- Department of Public Health, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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