Document Classification

Section Type: RESULTS

Text: The unadjusted OR of perioperative myocardial infarction in the presence of collaterals was 0. 31 (95 % CI 0. 17 to 0. 84) in the off-pump group and 1. 06 (95 % CI 0. 29 to 3. 85) in the on-pump group After adjustment for age, gender, hypertension, hypercholesterolemia, diabetes, multivessel disease, ventricular dysfunction, incomplete revascularization, and ischemic time, the OR was 0. 34 (95 % CI 0. 14 to 0. 84) in the off-pump group and 1. 28 (95 % CI 0. 30 to 5. 40) in the on-pump group, respectively.