Table 3 Performance comparison of the radiomic model, combined model, and nomogram-assisted radiologist for classifying fracture age between < 3 and ≥ 3 weeks in the external test set
Model | AUC | p value | SENS | SPEC |
|---|---|---|---|---|
Radiomic model | 0.811 (0.733–0.889) | 0.003 | 0.871 (0.548–0.968) | 0.690 (0.535–0.966) |
Combined model | 0.881 (0.814–0.949) | Reference | 0.887 (0.742–0.968) | 0.862(0.724–0.966) |
Radiologist aided by the combined model | 0.966 (0. 935–0.996) | 0.007 | 0.984 (0.887–1) | 0.897 (0.793–0.966) |