Mahnaz Yadollahi,Aida Ghiassee,Mehrdad Anvar,Hale Ghaem,Mohammad Farahmand.[J].中华创伤杂志英文版,2017,20(1):27-33
Analysis of Shahid Rajaee hospital administrative data on injuries resulting from car accidents in Shiraz, Iran: 2011e2014 data
  
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KeyWord: Car accidentsEpidemiologyInjury severity scoreMortality predictorsInjury surveillance
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Author NameAffiliation
Mahnaz Yadollahi Trauma Research Center, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran 
Aida Ghiassee Trauma Research Center, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran 
Mehrdad Anvar Trauma Research Center, Shahid Rajaee Trauma Hospital, Shiraz University of Medical Sciences, Shiraz, Iran 
Hale Ghaem Research Center for Health Sciences, Shiraz University of Medical Sciences, Shiraz, Iran 
Mohammad Farahmand Shiraz University of Medical Sciences, Shiraz, Iran 
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Abstract:
      Purpose: The administrative data from trauma centers could serve as potential sources of invaluable information while studying epidemiologic features of car accidents. In this cross-sectional analysis of Shahid Rajaee hospital administrative data, we aimed to evaluate patients injured in car accidents in terms of age, gender, injury severity, injured body regions and hospitalization outcome in the recent four years (2011-2014). Methods: The hospital registry was accessed at Shiraz Trauma Research Center (Shiraz, Iran) and the admission's unit data were merged with the information gathered upon discharge. A total number of 27,222 car accident patients aged over 15 years with International Classification of Diseases 10th revision (ICD-10) external causes of injury codes (V40.9-V49.9) were analyzed. Injury severity score and injured body regions were determined based on converting ICD-10 injury codes to Abbreviated Injury Scale (AIS-98) severity codes using a domestically developed electronic algorithm. A binary logistic regression model was applied to the data to examine the contribution of all independent variables to in-hospital mortality. Results: Men accounted for 68.9% of the injuries and the male to female ratio was 2.2:1. The age of the studied population was (34 ± 15) years, with more than 77.2% of the population located in the 15e45 years old age group. Head and neck was the most commonly injured body region (39.0%) followed by extremities (27.2%). Injury severity score (ISS) was calculated for 13,152 (48.3%) patients, of whom, 80.9% had severity scores less than 9. There were 332 patients (1.2%) admitted to the intensive care units and 422 in-hospital fatalities (1.5%) were recorded during the study period. Age above 65 years [OR=7.4, 95% CI (5.0-10.9)], ISS above 16 [OR=9.1, 95% CI (5.5-14.9)], sustaining a thoracic injury [OR=7.4, 95% CI (4.6-11.9)] and head injury [OR=4.9, 95% CI (3.1-7.6)] were the most important independent predictors of death following car accidents. Conclusion: Hospital administrative databases of this hospital could be used as reliable sources of information in providing epidemiologic reports of car accidents in terms of severity and outcomes. Improving the quality of recordings at hospital databases is an important initial step towards more comprehensive injury surveillance in Fars, Iran.
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