Predicting mortality with the international classification of disease injury severity score using survival risk ratios derived from an Indian trauma population: A cohort study

Adult Male Trauma Severity Indices Adolescent Science Q R India Middle Aged Survival Analysis 3. Good health Cohort Studies Young Adult 03 medical and health sciences 0302 clinical medicine ROC Curve Risk Factors Medicine Humans Wounds and Injuries Female Child Research Article
DOI: 10.1371/journal.pone.0199754 Publication Date: 2018-06-27T13:54:04Z
ABSTRACT
Background Trauma is predicted to become the third leading cause of death in India by 2020, which indicate need for urgent action. scores such as international classification diseases injury severity score (ICISS) have been used with great success trauma research and quality programmes improve care. To this date no valid has developed Indian population. Study design This retrospective cohort study a dataset 16047 trauma-patients from four public university hospitals urban India, was divided into derivation validation subsets. All injuries were assigned an disease (ICD) code. Survival Risk Ratios (SRRs), mortality within 24 hours 30 days then calculated each ICD-code calculate corresponding ICISS. Score performance measured using discrimination calculating area under receiver operating characteristics curve (AUROCC) calibration slope intercept plot curve. Results Predictions 30-day showed AUROCC 0.618, 0.269 0.071. Estimates 24-hour consistently low AUROCCs negative slopes. Conclusions We attempted derive validate version ICISS SRRs However, ICISS-scores overestimate implementing these clinical or policy contexts not recommended. study, well previous reports, suggest that other scoring systems might be better suited Low- middle-income countries until more data are available.
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