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