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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