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Table 4 Comparison of AUROC and cut-off values for ISS, GTOS and Ps17

From: Prediction of mortality in critically-ill elderly trauma patients: a single centre retrospective observational study and comparison of the performance of trauma scores

Score AUROC 95% CI Specificity (%) Sensitivity (%) Cut-off
ISS 0.66 0.59–0.74 62.5 61.3 ≥ 28
GTOS 0.68 0.61–0.76 54.9 74.2 ≥ 142.25
Ps17 0.79 0.72–0.85 67.4 80.6 ≤76.73
  1. AUROC area under receiver operator curve; CI confidence interval; ISS injury severity score; GTOS elderly trauma outcome score; Ps17 probability of survival