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Table 3 Validation analysis and AUC of the TRISS model by survival probability interval

From: Validation of age-specific survival prediction in pediatric patients with blunt trauma using trauma and injury severity score methodology: a ten-year Nationwide observational study

  No. of patients Sensitivity,% Specificity,% PPV,% NPV,% Accuracy, % AUC, (95% CI)
Total 17,745 99.5 42.3 98.8 64.3 98.3 0.978 (0.973–0.982)
0.96–1.00 15,258 100.0 0.0 99.9 0.0 99.9 0.865 (0.820–0.911)
0.91–0.95 937 100.0 0.0 98.2 0.0 98.2 0.585 (0.447–0.723)
0.76–0.90 844 100.0 0.0 92.1 0.0 92.1 0.614 (0.546–0.682)
0.51–0.75 344 100.0 0.0 76.7 0.0 76.7 0.585 (0.514–0.655)
0.26–0.50 190 62.7 45.0 61.1 46.8 55.3 0.591 (0.509–0.673)
0.00–0.25 172 0.0 100.0 0.0 72.1 72.1 0.600 (0.611–0.787)
  1. PPV positive predictive value, NPV negative predictive value, AUC area under the Receiver Operator Characteristic, CI confidence interval