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