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Predictive Performance of the Survival Models
| Prediction Model | Training Cohort | Validation Cohort | ||
|---|---|---|---|---|
| C-Index | 95% CI | C-Index | 95% CI | |
| Radscore | 0.834 | 0.711–0.958 | 0.769 | 0.496–1.000 |
| Clinical model | 0.694 | 0.675–0.755 | 0.655 | 0.508–0.802 |
| Combined model | 0.806 | 0.697–0.953 | 0.770 | 0.581–0.806 |
