Table S2. Performances of the signatures from different modalities.
| Modality | Training group | Validation group | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Accuracy | AUC (95% CI) | Sensitivity | Specificity | Accuracy | AUC (95% CI) | Sensitivity | Specificity | ||
| T1-weighted imaging | 65.46% | 0.705 (0.636–0.768) | 76.56% | 60.00% | 54.79% | 0.647 (0.527–0.756) | 76.92% | 46.81% | |
| T2-weighted imaging | 56.70% | 0.699 (0.629–0.763) | 92.19% | 39.23% | 41.10% | 0.635 (0.514–0.745) | 80.77% | 40.43% | |
| DCE MRI | 75.26% | 0.784 (0.719–0.840) | 65.65% | 80.00% | 75.34% | 0.820 (0.713–0.900) | 69.23% | 80.85% | |
| DWI | 66.49% | 0.732 (0.615–0.829) | 73.08% | 68.09% | 69.86% | 0.706 (0.636–0.769) | 64.06% | 67.69% | |
| All modality | 71.13% | 0.778 (0.712–0.834) | 76.56% | 68.46% | 71.23% | 0.803 (0.693–0.887) | 76.92% | 74.74% | |
AUC, area under ROC curve; CI, confidence interval; DCE, dynamic contrast-enhanced MRI; DWI, diffusion-weighted imaging. The AUC was reported in 95% confidence interval.