Preoperative clinical and demographic features
| Aspirin (n=150) | Aspirin + clopidogrel (n=150) | p Value | |
| Age (years) | 58.9±8.3 | 59.4±7.7 | 0.2 |
| Male | 113 (75.3%) | 110 (73.3%) | 0.7 |
| BMI | 26.4±5.1 | 25.8±4.2 | 0.2 |
| Hypertension | 68 (45.3%) | 71 (47.3%) | 0.8 |
| Hyperlipidaemia | 86 (57.3%) | 82 (54.6%) | 0.7 |
| Serum creatinine, mg/dl | 1.05±0.6 | 1.08±0.9 | 0.7 |
| Previous MI | 52 (34.6%) | 57 (38%) | 0.6 |
| Previous PCI | 25 (16.6%) | 22 (14.6%) | 0.7 |
| Preoperative LVEF (%) | 54±9 | 55±8 | 0.4 |
| Logistic EuroSCORE | 2.9±1.6 | 3.1±1.8 | 0.3 |
Values expressed as n (%).
BMI, body mass index; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention.