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Effect-size estimates for CPB stage in the derivation cohort.
| Variables | Case/Total | Survival rate, % | Unadjusted HR (95% CI) | Adjusted HR (95% CI) |
|---|---|---|---|---|
| CPB stage | ||||
| Stage 1 | 15/37 | 52.78 | Reference | Reference |
| Stage 2 | 32/47 | 11.05 | 1.71 (0.92-3.15) | 1.49 (0.79-2.81) |
| Stage 3 | 62/85 | 14.38 | 2.37 (1.35-4.18) | 2.22 (1.23-3.99) |
Stage 1: CPB index ≤ 11; Stage 2: 11 < CPB index ≤ 17; Stage 3: CPB index > 17. Adjusted HR was adjusted for steroids and N-acetylcysteine. P-value was calculated by Kaplan–Meier analysis.
