Table 5.
Performance of the model for identifying RAIT failure in subgroups.
| Index | Male | Femal | Age<55 | Age ≥ 55 |
|---|---|---|---|---|
| TP | 18 | 26 | 36 | 8 |
| TN | 25 | 74 | 85 | 14 |
| FP | 4 | 11 | 14 | 1 |
| FN | 8 | 16 | 23 | 1 |
| Accuracy, % | 78.18 (43/55) | 78.74 (100/127) | 76.58 (121/158) | 91.67 (22/24) |
| Sensitivity, % | 69.23 (18/26) | 61.90 (26/42) | 61.02 (36/59) | 88.89 (8/9) |
| Specificity, % | 86.21 (25/29) | 87.06 (74/85) | 85.86 (85/99) | 93.33 (14/15) |
| PPV | 81.82 (18/22) | 70.27 (26/37) | 72.00 (36/50) | 88.89 (8/9) |
| NPV | 75.76 (25/33) | 82.22 (74/90) | 78.70 (85/108) | 93.33 (14/15) |
FP, False Positive; FN, False Negative; NPV, negative predictive value; PPV, positive predictive value; TP, True Positive; TN, True Negative.