Table 4.

Univariable logistic regression.

	Univariable analysis
	OR	95% CI	P-value
EF (before surgery) (%)	1.005	(1.001, 1.014)	0.427
EF (after surgery) (%)	1.007	(1.001, 1.016)	0.238
Angiopoietin 1 (pg/mL)	1.087	(1.008, 1.193)	0.113
Angiopoietin 2 (pg/mL)	18.75	(8.08, 102.33)	0.033
Vascular endothelial growth factor (pg/mL)	1.014	(0.994, 1.031)	0.146
CPB duration (min)	1.001	(0.999, 1.005)	0.135
Aortic cross-clamping duration (min)	1.007	(0.989, 1.022)	0.097

Logistic regressions were used to analyze the predictors of 30-day mortality after surgery CI=confidence interval; CPB=cardiopulmonary bypass; EF=ejection fraction; OR=odds ratio