Table 1 Patient characteristics
Study Population (n = 3,024) | |
|---|---|
Age at operation (years) | 64.3 (58.4 to 70.0) |
Female sex (%) | 19.9 |
Body mass index (kg/m2) | 27.6 (25.3 to 30.4) |
Angina class IV (%) | 32.9 |
Current smoker (%) | 15.8 |
Previous myocardial infarction (%) | 44.2 |
Diabetes (%) | 17.6 |
Hypercholesteroleamia (%) | 83.8 |
Hypertension (%) | 55.3 |
Peripheral vascular disease (%) | 13.8 |
Cerebrovascular disease (%) | 8.2 |
Renal dysfunction (%) | 2.7 |
Respiratory disease (%) | 31.6 |
Ejection fraction <30% (%) | 8.7 |
Three-vessel disease (%) | 81.3 |
Left main stenosis >50% (%) | 20.1 |
Prior cardiac intervention (%) | 5.1 |
Prior cardiac surgery (%) | 2.5 |
Urgent procedure (%) | 16.9 |
Emergent procedure (%) | 1.4 |