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Table 2 Study Population and results of bnivariate analysis of statin groups

From: Preoperative statin is associated with decreased operative mortality in high risk coronary artery bypass patients

  All Statin No Statin
Patients 2377 1004 1373
Age (years) 65.4 ± 10.7 64.8 ± 10.9 65.8 ± 10.3a
Off-Pump CABG 321 (13.4%) 167 (6.9%) 154 (6.4%)
CAB Grafts 2.9 ± 1.0 2.8 ± 1.0 2.9 ± 1.1
AXC (minutes) 72.4 ± 25.1 73.0 ± 25.3 71.9 ± 24.9
CPB (minutes) 103 ± 33 104 ± 33 102 ± 32
Non-elective procedure 1376 (57%) 568 (57%) 808 (59%)
Redo Procedure 125 (5.3%) 66 (6.6%) 59 (4.3%)b
Female gender 719 (30.2%) 298 (29.7%) 421 (30.7%)
Congestive heart failure history 316 (13.3%) 133 (13.2%) 183 (13.3%)
Cardiomegaly 94 (4.0%) 41 (4.1%) 53 (3.9%)
Atrial arrhythmia history 133 (5.6%) 43 (4.3%) 87 (6.3%)
Body mass index < 25 340 (14.3%) 132 (13.1%) 208 (15.1%)
Preoperative AMI 428 (18.0%) 167 (16.6%) 261 (19.0%)
COPD 402 (16.9%) 184 (18.3%) 218 (15.9%)
Peripheral vascular disease 340 (14.3%) 144 (14.3%) 196 (14.3%)
Stroke history 144 (6.1%) 56 (5.6%) 88 (6.4%)
Renal failure 77 (3.2%) 28 (2.8%) 49 (3.6%)
Tobacco past/current 1101 (46.3%) 499 (49.7%) 602 (43.8%)
IDDM 260 (10.9%) 124 (12.4%) 136 (9.9%)
In-hospital death 56 (2.4%) 17 (1.7%) 39 (2.8%)c
  1. AMI: acute myocardial infarction, a: p = 0.02; b: p = 0.01; c: p = 0.07.