| Preoperative criteria | |
| Age | 65.8 ± 10.2 |
| Gender (male) | 6939 (72.2%) |
| NYHA class (4) | 369 (3.8%) |
| CCS class (4) | 995 (10.4%) |
| Hypertensive | 7248 (75.4%) |
| Diabetic | 1705 (17.7%) |
| Ex/current smoker | 6148 (64.0%) |
| Patients on long term inhalers | 1163 (12.1%) |
| Preoperative renal dysfunction | 217 (2.3%) |
| Neurologic dysfunction | 95 (1.0%) |
| Peripheral vascular disease | 952 (9.9%) |
| Preoperative inotropic support | 87 (0.9%) |
| Preoperative nitrate infusion | 532 (5.5%) |
| Preoperative ventilation | 48 (0.5%) |
| Preoperative cardiogenic shock | 65 (0.7%) |
| Preoperative MI | 3174 (33.0%) |
| Left ventricular ejection fraction (Poor) | 565 (5.9%) |
| Preoperative VF/VT | 54 (0.6%) |
| Redo sternotomy | 556 (5.8%) |
| BMI | 28.1 ± 4.5 |
| Logistic EuroSCORE | 5.3 ± 8 |
| Operative Criteria | |
| Urgency (emergency) | 193 (2%) |
| Perioperative IABP | 93 (1.0%) |
| Not isolated CABG | 3144 (32.7%) |
| Off bypass CABG | 469 (4.9%) |
| Perfusion time | 71.2 ± 34.7 |
| Cross clamp time (min) | 41.9 ± 22.8 |
| Post operative criteria | |
| Average hospital stay (days) | 9.4 ± 11.1 |
| Postoperative permanent stroke | 100 (1.0%) |
| low cardiac output (requiring inotropes, IABP or VAD) | 3081(32.1%) |
| Re-exploration | 416 (4.3%) |
| ITU readmission | 367 (3.8%) |
| New postoperative dialysis | 152 (1.6%) |
| In-hospital mortality and 30 day mortality | 307 (3.2%) |