| Patient Characteristics | Off-Pump CABG (n = 75) | On-Pump CABG (n = 31) |
| Mean Age (years) | 58.87 | 57.19 |
| Number of male patients (percentage of total) | 61 (81.33%) | 23 (74.19%) |
| Number of female patients (percentage of total) | 14 (18.67%) | 8 (25.81%) |
| Single vessel disease | 5 (6.67%) | 0 (0%) |
| Multiple vessel disease | 70 (93.33%) | 31 (100%) |
| Ejection fraction > 50% | 28 (37.33%) | 8 (25.81%) |
| Ejection fraction < 50% | 47 (62.67%) | 23 (74.19%) |
| Diabetes mellitus | 22 (29.33%) | 9 (29.03%) |
| Previous history of myocardial infarction | 20 (26.67%) | 18 (58.06%) |
| Peripheral vascular disease | 3 (4%) | 2 (6.45%) |
| Chronic obstructive pulmonary disease (COPD) | 7 (9.33%) | 3 (9.68%) |
| Treated hypertension | 39 (52%) | 18 (58.06%) |
| Treated hypercholesterolemia | 44 (58.67%) | 17 (54.84%) |
| Smoking (current or former) | 45 (60%) | 13 (41.93%) |
| Average body surface area (m2) | 1.8 | 1.8 |
| Average serum creatinine level (mg/dl) | 0.9 | 0.86 |