Table 3.
Performance of models.
| Models | AUC (95%CI) | C-index (95%CI) | P Value | ||
|---|---|---|---|---|---|
| Training+validation cohort | Training cohort | Validation cohort | |||
| Clinicopathological model | 0.772(0.717–0.827) | 0.768(0.713–0.818) | 0.720(0.517–0.923) | Vs. Combined model | P = 0.0014 |
| Radiomics signature model | 0.826(0.782–0.869) | 0.809(0.757–0.861) | 0.847(0.780–0.934) | P = 0.0169 | |
| Imaging model | 0.800(0.746–0.854) | 0.793(0.733–0.853) | 0.835(0.691–0.979) | P = 0.0023 | |
| Combined model | 0.882(0.852–0.912) | 0.872(0.832–0.912) | 0.944(0.890–0.990) | ||
Abbreviations: CI, confidence interval; Radiomics signature, signature from T2WI.