Table 2 Diagnostic performance of the clinical factors model, the radiomics signature, and the radiomics nomogram
Set | Model | AUC (95% CI) | Sensitivity % | Specificity % | Accuracy % |
|---|---|---|---|---|---|
Training set (n = 98) | Clinical model | 0.807 (0.733–0.868) | 67 (33/49) | 71 (35/49) | 69 (68/98) |
Radiomics signature | 0.975 (0.950–0.993) | 96 (47/49) | 90 (44/49) | 93 (91/98) | |
Radiomics nomogram | 0.980 (0.959–0.995) | 96 (47/49) | 90 (44/49) | 93 (91/98) | |
Validation set (n = 37) | Clinical model | 0.679 (0.533–0.791) | 71 (12/17) | 60 (12/20) | 65 (24/37) |
Radiomics signature | 0.900 (0.702–0.914) | 88 (15/17) | 75 (15/20) | 81 (30/37) | |
Radiomics nomogram | 0.924 (0.693–0.916) | 82 (14/17) | 80 (16/20) | 81 (30/37) |