Table 3.

Univariate Analysis of Factors Related to Mortality

Outcome	Survivors (n = 153)	Died (n = 15)	p Value
Preoperative variables
Age	64 [53, 72]	69 [58, 74]	0.23
Male	66 (43.1%)	6 (40.0%)	0.81
Cerebrovascular disease	22 (14.4%)	5 (33.3%)	0.069
Diabetes mellitus	32 (20.9%)	3 (20.0%)	1.0000
Endocarditis	23 (15.0%)	2 (13.3%)	1.0000
Peripheral vascular disease	16 (10.5%)	4 (26.7%)	0.084
Renal failure	25 (16.3%)	11 (73.3%)	< 0.0001
Renal failure (hemodialysis)	9 (5.9%)	2 (13.3%)	0.26
Tobacco use	70 (45.8%)	9 (60.0%)	0.29
Congestive heart failure	105 (68.6%)	12 (80.0%)	0.56
Myocardial infarction	26 (17.0%)	5 (33.3%)	0.16
Ejection fraction (%)	55 [40, 60]	58 [55, 60]	0.29
MELD score ≥ 15	17 (11.1%)	7 (46.7%)	0.0017
Intraoperative variables
Concomitant operations	129 (84.3%)	15 (100%)	0.13
Concomitant CABG	30 (19.6%)	2 (13.3%)	0.74
Concomitant mitral valve procedure	99 (64.7%)	9 (60.0%)	0.72
Concomitant AVR	38 (24.8%)	6 (40.0%)	0.22
Tricuspid valve replacement	12 (7.8%)	0 (0.0%)	0.60
Cardiopulmonary bypass time (min)	145 [109, 185]	150 [129, 225]	0.12

AVR = aortic valve replacement; CABG = coronary artery bypass graft surgery; MELD = Model for End-Stage Liver Disease.