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Table 1 Preoperative Patient Characteristics in CE

From: The midterm results of coronary endarterectomy in patients with diffuse coronary artery disease

Variable Group on-pump (n = 146) Group off-pump (n = 92) P Value
Clinical demographics
 Age (y) 65 ± 8 63 ± 9 0.0749
 Female sex 25 (17.1%) 12(13.0%) 0.398
Coronary risk factors
 Hypertension 95(65.1%) 59(64.1%) 0.883
 Diabetes 122(83.6%) 76(82.6%) 0.080
 Hyperlipidemia 64(43.8%) 55(59.8%) 0.017
 Smoking 67(45.9%) 41(44.6%) 0.842
 Peripheral vascular disease 28(19.2%) 15(16.6%) 0.575
 Previous renal impairment 8(5.5%) 4(4.3%) 0.698
 Cerebrovascular accident 3(2.1%) 13(14.1%) 0.000
 COPD 6(4.1%) 22(23.9%) 0.000
 Calcified ascending aorta 4(2.7%) 45(48.9%) 0.000
Cardiac profile
 Previous myocardial infarction 93(63.7%) 55(62.2%) 0.544
 Unstable angina 106(72.6%) 68(73.9%) 0.824
 previous PCI 23(15.8%) 15(16.3%) 0.910
 Mean ejection fraction 0.58 ± 0.12 0.56 ± 0.11 0.1974
Poor ejection fraction(<0.35) 15(10.3%) 9(9.8%) 0.902
 Left main disease 29(19.8%) 17(18.5%) 0.792
 RCA Critical stenosis > 90% 81(55.5%) 89(96.7%) 0.000
 Number of diseased vessels 3.5 ± 0.5 3.4 ± 0.6 0.1689
  1. COPD chronic obstructive pulmonary disease, PCI percutaneous coronary intervention, RCA right coronary artery