28-Day | 90-Day | |||||
---|---|---|---|---|---|---|
Derivation (95% CI) | Validation (95% CI) | External (95% CI) | Derivation (95% CI) | Validation (95% CI) | External (95% CI) | |
C-index | 0.82 (0.72–0.91) | 0.73 (0.54–0.92) | 0.78 (0.70–0.87) | 0.81 (0.71–0.91) | 0.74 (0.56–0.91) | 0.88 (0.75–1.02) |
H–L test | 0.323 | 0.382 | 0.362 | 0.231 | 0.491 | 0.178 |