Group | AUC (95% CI) | Cut-off | Accuracy | Sensitivity | Specificity |
---|---|---|---|---|---|
Training cohort (n = 242) | |||||
Clinical model | 0.838 (0.788–0.889) | 0.626 | 0.785 | 0.801 | 0.760 |
Radiomics model | 0.804 (0.75–0.858) | 0.526 | 0.740 | 0.733 | 0.750 |
Combined model | 0.915 (0.88–0.95) | 0.639 | 0.847 | 0.815 | 0.896 |
Internal validation cohort (n = 104) | |||||
Clinical model | 0.819 (0.738–0.901) | 0.740 | 0.731 | 0.603 | 0.902 |
Radiomics model | 0.877 (0.812–0.942) | 0.525 | 0.833 | 0.790 | 0.900 |
Combined model | 0.899 (0.839–0.96) | 0.653 | 0.833 | 0.758 | 0.950 |
External validation cohort (n = 50) | |||||
Clinical model | 0.717 (0.562–0.871) | 0.439 | 0.720 | 0.852 | 0.609 |
Radiomics model | 0.734 (0.59–0.879) | 0.364 | 0.720 | 0.704 | 0.739 |
Combined model | 0.805 (0.681–0.929) | 0.283 | 0.760 | 0.889 | 0.609 |