The Revised Trauma Score plus serum albumin level improves the prediction of mortality in trauma patients

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Abstract

Introduction

The Revised Trauma Score (RTS) is used worldwide in prehospital practice and in the emergency department (ED) settings to triage trauma patients. The main purpose of this study was to evaluate the value of the RTS plus serum albumin (RTS-A) and to compare it with other existing trauma scores as well as to compare the predictive performance of the Trauma and Injury Severity Score with the RTS-A (TRISS-A) with the original TRISS.

Methods

This was a single center, trauma registry based observational cohort study. Data were collected from consecutive patients with blunt or penetrating injuries who presented to the emergency department of a tertiary referral hospital, between January 2012 and June 2016. 3145 and 2447 patients were assigned to the derivation group and validation group, respectively. Main outcome was in-hospital mortality.

Results

Among patients in the derivation group, the median [interquartile range] age was 59 [43–73] years, and 66.7% were male. The area under the receiver operating characteristic curves (AUC) of the RTS-A (0.948; 95% CI: 0.939–0.955) was higher than that of the RTS (0.919; 95% CI: 0.909–0.929). In patients with blunt trauma, the AUC of the TRISS-A (0.960; 95% CI: 0.952–0.967) was significantly higher than that of the original TRISS (0.949; 95% CI: 0.941–0.957).

Conclusion

The value of the RTS-A predicts the in-hospital mortality of trauma patients better than the RTS, and the TRISS-A is a better mortality predictor compared to the original TRISS in patients with blunt trauma.

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