Skip to main content

Table 3 Results of bnivariate analysis of mortality rates associated with selected preoperative variables

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

Variable: Present Not Present p value
Preoperative statin 17/1004 (1.7%) 39/1373 (2.8%) 0.07
Preoperative AMI 19/428 (4.4%) 37/1949 (1.9%) 0.002
Preoperative anemia 18/437 (4.1%) 38/1940 (2.0%) 0.007
Body mass index < 25 14/340 (4.1%) 42/2037 (2.1%) 0.02
Non insulin dependent diabetes 10/500 (2.0%) 46/1877 (2.5%) 0.55
Insulin dependent diabetes 14/260 (5.4%) 42/2117 (2.0%) 0.006
Chronic obstructive pulmonary disease 16/402 (4.0%) 40/1975 (2.0%) 0.02
Stroke history 6/144 (4.2%) 50/2233 (2.2%) 0.14
Peripheral vascular disease 12/340 (3.5%) 44/2037 (2.2%) 0.12
Renal failure history 5/77 (6.5%) 51/2300 (2.2%) 0.02
Atrial arrhythmia history 14/133 (10.5%) 42/2244 (1.9%) < 0.001
Congestive heart failure history 21/316 (6.7%) 35/2061 (1.7%) < 0.001
Tobacco past/current 33/1101 (3.0%) 23/1276 (1.8%) 0.06
Female gender 25/719 (3.5%) 31/1658 (1.9%) 0.02
Cardiomegaly 8/94 (8.5%) 48/2283 (2.1%) < 0.001
Redo procedure 9/125 (7.2%) 47/2252 (2.1%) < 0.001
  Survivors In-hospital death  
Age (years) 65.3 ± 10.7 71.5 ± 8.9 < 0.001
  1. AMI: acute myocardial infarction.