Table 4 Prediction performance in the training and validation cohorts
| Â | AUC | Sensitivity | Specificity | Threshold |
|---|---|---|---|---|
Radiomics signature | ||||
 Training cohort | 0.847 (0.801, 0.886) | 88.68% | 67.89% | 0.566 |
 Validation cohort | 0.805 (0.728, 0.868) | 75.93% | 70.73% | 0.467 |
Clinical model | ||||
 Training cohort | 0.737 (0.683, 0.787) | 53.77% | 82.63% | 0.364 |
 Validation cohort | 0.753 (0.672, 0.823) | 61.11% | 79.27% | 0.404 |
Combined model | ||||
 Training cohort | 0.907 (0.861, 0.932) | 82.08% | 83.65% | 0.657 |
 Validation cohort | 0.867 (0.798, 0.919) | 75.93% | 80.49% | 0.564 |