Table 1.

Preoperative patient characteristics

Variable	Previous PCI (n=38)	No previous PCI (n=122)	p-value
Age (yr)	59.2±5.60	58.09±6.52	0.33
Gender (male/female)	27/11	97/25	0.27
Family history of coronary artery disease	6 (15.8)	12 (9.8)	0.31
Smoking	28 (73.7)	87 (71.3)	0.77
Diabetes mellitus	8 (21.1)	15 (12.3)	0.17
Obesity	8 (21.1)	22 (18.0)	0.67
Chronic pulmonary disease	6 (15.8)	12 (9.8)	0.31
Hypertension	5 (13.2)	22 (18.0)	0.48
Hyperlipidemia	5 (13.2)	15 (12.3)	0.88
Renal impairment	1 (2.6)	3 (2.5)	0.95
Cerebrovascular disease	1 (2.6)	1 (1.6)	0.69
Peripheral vascular disease	1 (2.6)	3 (2.5)	0.95
Left ventricular ejection fraction (%)	57.9±9.04	60.50±8.20	0.10
Unstable angina	3 (7.9)	14 (11.5)	0.53
New York Heart Association class III/IV	11 (28.9)	29 (23.8)	0.52
EuroSCORE	2.02±1.97	1.59±1.42	0.13
Left main disease	5 (13.2)	11 (9.0)	0.45
Multi-vessel disease	29 (76.3)	78 (63.9)	0.15

Values are presented as mean±standard deviation or number (%).

PCI, percutaneous coronary intervention.