Table 5.

Cox regression analysis for in‐hospital mortality

In‐hospital mortality	Univariate logistic regression		Multivariate logistic regression
Characteristic	P	HR (95% CI)	P	HR (95% CI)
Age	0.001	1.015 (1.006–1.025)	0.001	1.019 (1.008–1.029)
EuroSCORE	<0.001	1.015 (1.010–1.019)
NYHA	<0.001	1.474 (1.320–1.646)
Diabetes mellitus	<0.001	1.220 (1.126–1.321)	0.017	1.115 (1.020–1.220)
PHTN	0.005	1.204 (1.057–1.371)
LVEF	<0.001	1.201 (1.126–1.281)
Bypass time	<0.001	1.003 (1.002–1.004)
Blood transfusion	<0.001	1.000 (1.000–1.000)	<0.001	1.000 (1.000–1.000)
Low output	<0.001	4.917 (3.971–6.089)	<0.001	3.193 (2.495–4.086)
Bilirubin max.	<0.001	1.027 (1.020–1.034)
T bilirubin max.	<0.001	1.030 (1.025–1.035)	<0.001	1.019 (1.011–1.026)
Emergency procedure	<0.001	1.657 (1.336–2.056)	0.04	1.315 (1.012–1.710)

Bilirubin max., maximum concentration of bilirubin; CI, confidence interval; HR, hazard ratio; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association classification of heart failure; PHTN, pulmonary hypertension; T bilirubin max., time to maximum bilirubin concentration.