N	%
Male	63	80.8
Female	15	19.2
Stable angina	65	83.3
Unstable angina	13	16.7
Previous myocardial infarction	20	25.6
Diabetes mellitus	16	20.5
One-vessel disease	12	15.4
Two-vessel disease	21	26.9
Three-vessel disease	45	57.7
Left main trunk	17	21.8
Left ventricular ejection fraction
<35%	11	14.2
35%–50%	19	24.3
>50%	48	61.5

Table 1.

Preoperative Characteristics of Patients