Patients characteristics at baseline
| Characteristic | All patients (n = 281) | Off-pump group (n = 142) | On-pump group (n = 139) |
|---|---|---|---|
| Age, mean (SD) (years) | 61.2 (9.0) | 61.7 (9.2) | 60.8 (8.8) |
| Education, mean (SD) (years) | 9.5 (2.6) | 9.3 (2.4) | 9.7 (2.8) |
| Male sex (%) | 68 | 66 | 71 |
| Peripheral vascular disease (%) | 10 | 7 | 13 |
| Diabetes (%) | 13 | 9 | 17 |
| History of stroke (%) | 3 | 4 | 3 |
| Hypertension (%) | 42 | 40 | 44 |
| Pulmonary disease (%) | 9 | 9 | 10 |