Risk variables (continuous) in patients with or without ARF that required dialysis
| Risk Factor (Test Set: N = 15,838) | ARF-Dialysis (Mean [SD]) | No ARF (Mean [SD]) | P Value |
|---|---|---|---|
| Age (yr) | 66.7 (12.1) | 63.6 (12.4) | <0.001 |
| Weight (kg) | 78.9 (18.9) | 81.0 (17.2) | 0.077 |
| Preoperative creatinine (mg/dl) | 1.6 (0.9) | 1.1 (0.4) | <0.001 |
| Cardiopulmonary bypass time (minutes) | 149.7 (71.8) | 100.7 (50.1) | <0.001 |