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The C-index and AUC values in the training and validation cohorts.
| Cohort | PPS | ||
|---|---|---|---|
| C-index | AUC | ||
| 1-year | 3-year | ||
| Training cohort | 0.756 (0.733-0.779) | 0.773 | 0.832 |
| Validation cohort 1 | 0.817 (0.791-0.843) | 0.798 | 0.871 |
| Validation cohort 2 | 0.730 (0.693-0.767) | 0.735 | 0.791 |
PPS, post-progression survival; C-index, concordance index; AUC, area under receiver operating characteristic curve.
