Univariate analysis Univariate analysis Univariate analysis Multivariate analysis Multivariate analysis Multivariate analysis
Hazard ratio (95% Confidence interval) p value Hazard ratio (95% Confidence interval) p value
Age 0.98 (0.93-1.04) 0.59
Female gender 0.59 (0.30-1.14) 0.11
STS risk score 0.96 (0.88-1.05) 0.45
EuroSCORE II 0.92 (0.81-1.04) 0.20
JapanSCORE 0.95 (0.87-1.03) 0.25
Previous cardiac surgery 0.59 (0.14-2.49) 0.48
Preoperative creatinine 1.31 (0.46-3.40) 0.60
Preoperative albumin 0.37 (0.15-0.89) 0.02 0.54 (0.65-1.03) 0.08
Preoperative BNP 1.00 (1.00-1.01) 0.38
Preoperative hemoglobin 0.77 (0.63-0.95) 0.01 0.83 (0.20-1.44) 0.22
Preoperative EF 1.02 (0.98-1.05) 0.14
Blood transfusion 1.77 (0.89-9.49) 0.11