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Subject Area

Oncology

Article Type

Original Study

Abstract

Objective The objective of this study was to compare the performances of Trauma-Injury Severity Score (TRISS) and Acute Physiology and Chronic Health Evaluation (APACHE) IV in predicting mortality of seriously injured patients with polytrauma. Background Several scoring systems have been developed to evaluate trauma outcomes. The TRISS and APACHE IV are commonly used to predict injury severity and the risk of mortality. Patients and methods The study was conducted on 100 of seriously injured patients with polytrauma attending the Emergency Department of the Menoufia University Hospital from 2016 to 2017. The required variables for calculating the two scores were recorded. The accuracy of the two models in predicting mortality was compared using area under the receiver operating characteristic curve. Results The mean TRISS-estimated mortality rate was 17.41 ± 25.03, whereas the mean APACHE IV Score was 18.87 ± 19.89. There was a statistically significant difference between survived and dead patients regarding the two scores (P = 0.001). The best cutoff value of TRISS and APACHE IV for prediction of mortality among studied patients was 32.5 and 32, respectively, with sensitivity of 96 and 84%, respectively; specificity of 98 and 96%, respectively; and accuracy of 97 and 93%, respectively. Conclusion Both scores can be used in predicting mortality of seriously injured patients with polytrauma but TRISS model is better and more applicable than APACHE IV.

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