Variable | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | |
Sex, Male | 1.44 (1.12–1.85) | 0.004 |  |  |
BMI (per 1 kg/m2 increase) | 1.01 (0.96–1.06) | 0.723 |  |  |
Age (per 1 unit increase) | 1.05 (1.04–1.60) | < 0.001 | 1.05 (1.01–1.10) | 0.035 |
Hypertension (present) | 1.81 (1.41–2.33) | < 0.001 |  |  |
Diabetes (present) | 2.71 (1.93–3.81) | < 0.001 |  |  |
CKD (present) | 2.10 (0.72–6.10) | 0.172 |  |  |
NYHA III-IV (present) | 2.02 (1.56–2.61) | < 0.001 |  |  |
Preoperative SCr (per 1 μmol/L increase) | 1.01 (1.01–1.02) | < 0.001 | 1.05 (1.03–1.08) | 0.000 |
LVEF (per 1 unit decrease) | 1.02 (1.01–1.04) | 0.010 | 1.10 (1.04–1.17) | 0.001 |
Off-pump surgery (present) | 5.35 (4.03–7.09) | < 0.001 |  |  |
CPB (per 1 min increase) | 1.00 (1.00–1.01) | 0.061 |  |  |
Aortic cross-clamp (per 1 min increase) | 1.01 (1.00–1.01) | 0.014 |  |  |
Oliguria (present) | 1.87 (0.66–5.29) | 0.239 |  |  |
Cumulative fluid balance (per 1 L increase | 1.00 (1.00–1.01) | < 0.001 | 1.007 (1.005–1.009) | 0.000 |