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The predicting performance of RAR-model and RDW-model and albumin-model
| Models | Training set (n = 1457) | Testing set (n = 624) | ||
|---|---|---|---|---|
| C-index (95%CI) | P | C-index (95%CI) | P | |
| RDW-model | 0.594 (0.569–0.619) | Ref | 0.592 (0.555–0.629) | Ref |
| Albumin-model | 0.574 (0.548–0.599) | < 0.001 | 0.606 (0.569–0.643) | 0.074 |
| RAR-model | 0.610 (0.586–0.634) | < 0.001 | 0.629 (0.593–0.665) | < 0.001 |
HR, hazard ratio; CI, confidence interval; RDW, red blood cell distribution width; RAR, the ratio of the RDW to albumin; Ref, reference
