| Training cohort | Validation cohort | |||||||
---|---|---|---|---|---|---|---|---|---|
AUC(95% CI) | P value | AUC(95% CI) | P value | ||||||
 | C | R | C + R |  |  C | R | C + R | ||
iPFS | C | 0.866(0.791–0.921) | - | 0.527 | 0.502 | 0.928(0.843–0.976) | - | 0.005 | 0.030 |
R | 0.835(0.756–0.896) | - | - | 0.196 | 0.744(0.628–0.839) | - | - | 0.003 | |
C + R | 0.895(0.825–0.943) | - | - | - | 0.936(0.854–0.980) | - | - | - | |
SE | C | 0.815(0.734–0.880) | - | 0.245 | 0.402 | 0.762(0.648–0.853) | - | 0.157 | 0.587 |
R | 0.747(0.660–0.822) | - | - | 0.048 | 0.628(0.508–0.738) | - | - | 0.054 | |
C + R | 0.858(0.783–0.915) | - | - | - | 0.804(0.695–0.887) | - | - | - |