Comparison of the Injury Severity Score and ICD-9 diagnosis codes as predictors of outcome in injury: analysis of 44,032 patients.How to define severely injured patients? - an Injury Severity Score (ISS) based approach alone is not sufficient.A comparison between two trauma systems: Germany and the Netherlands. Pre-hospital rescue times and actions in severe trauma.Impact of Adapting the Abbreviated Injury Scale (AIS)-2005 from AIS-1998 on Injury Severity Scores and Clinical Outcome.Mortality following helicopter versus ground transport of injured children.The definition of major trauma using different revisions of the abbreviated injury scale.Physician-led prehospital management is associated with reduced mortality in severe blunt trauma patients: a retrospective analysis of the Japanese nationwide trauma registry.Same Abbreviated Injury Scale Values May Be Associated with Different Risks to Mortality in Trauma Patients: A Cross-Sectional Retrospective Study Based on the Trauma Registry System in a Level I Trauma Center.Ten-year in-hospital mortality trends among Japanese injured patients by age, injury severity, injury mechanism, and injury region: A nationwide observational study. CONCLUSIONS: Our results revealed the lack of an acceptable definition, with a high in-hospital mortality and high OR for mortality for all age groups. In all the age groups, the OR for mortality for patients with ISS ≥16, ISS ≥18 and ISS ≥26 was 12.8, 11.0 and 8.4, respectively. Moreover, in-hospital mortality for age group 5-14 years was the lowest (4.0-10.9%). The in-hospital mortality for patients aged >75 years was the highest (20% greater than that of the other age groups). RESULTS: In all age categories, the in-hospital mortality of patient groups with an ISS ≥16, ISS ≥18 and ISS ≥26 was 13.3%, 17.4% and 23.5%, respectively. PRIMARY AND SECONDARY OUTCOME MEASURES: Prevalence, in-hospital mortality and OR for mortality with respect to age and injury level (ISS group). We included injured patients who were transferred from the scene of injury by ambulance and/or physician. PARTICIPANTS: We used data of 117 199 injured patients from a national database. SETTING: Japan Trauma Data Bank, which is a nationwide trauma registry with data from 280 hospitals. This study aimed to compare the prevalence, in-hospital mortality and OR for mortality in patients with ISS ≥16, ISS ≥18 and ISS ≥26 by age groups. The most widely used definition of severe injury is based on the Injury Severity Score (ISS), which is calculated using the Abbreviated Injury Scale in Japan. N2 - OBJECTIVES: The definition of severely injured patients lacks universal consensus based on quantitative measures. T1 - Evaluating the definition of severely injured patients: a Japanese nationwide 5-year retrospective study.
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