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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.