Table 2.

Risk factors of In-hospital death by univariate and multivariate logistic regression analysis

	Univariate analysis			Multivariate analysis
	OR	95% CI	P	OR	95% CI	P
Age	1.124	0.991–1.275	0.069	1.025	0.871–1.206	0.767
Gender	1.297	0.578–2.912	0.529	0.874	0.314–2.431	0.796
Morbid obesity	0.882	0.649–1.119	0.422
NYHA classification	2.256	1.299–3.918	0.004	1.741	0.857–3.467	0.114
CAD classification	1.138	0.630–2.055	0.668
Hypertension	0.772	0.352–1.695	0.52
Diabetes	1.998	0.949–4.205	0.068	1.893	0.768–4.667	0.166
Cerebrovascular disease	0.669	0.320–1.400	0.286
Preoperative eGFR	0.962	0.940–0.985	0.001	0.981	0.954–1.008	0.161
Preoperative LVEF	0.965	0.928–1.002	0.066	1.009	0.995–1.065	0.755
Number of diseased vessels	0.517	0.295–0.909	0.022	0.48	0.178–1.297	0.148
Peripheral vascular disease	1.627	0.541–4.895	0.386
Surgical status	3.603	1.382–9.396	0.009	2.838	0.804–10.018	0.105
Valvular disease	1.19	0.400–3.543	0.754
IABP implantation	3.18	2.010–5.032	< 0.001	2.113	1.224–3.646	0.007
COPD	0.68	0.157–2.952	0.607
Atrial fibrillation	2.747	0.762–9.904	0.123
Pulmonary hypertension	1.407	0.871–2.273	0.163
Previous PCI	2.02	0.788–5.174	0.143
Bypass graft number	0.719	0.489–1.058	0.095	1.083	0.590–1.990	0.796
Cardiopulmonary bypass	4.588	1.901–11.076	0.001	3.595	1.158–11.160	0.027
Medical Center	1.254	0.866–1.815	0.231
Postoperative AKI	3.556	2.421–5.221	< 0.001	2.94	1.883–4.590	< 0.001

OR odds ratio, CI confidence interval, NYHA New York heart association, CAD coronary artery disease, eGFR estimated glomerular filtration rate, LVEF left ventricular ejection fraction, IABP intra-aortic balloon pump, COPD chronic obstructive pulmonary disease, PCI percutaneous coronary intervention, AKI acute kidney injury