Table 1.
Baseline and operative characteristics
| Patient variables | |
|---|---|
| Number of patients | 1072 |
| Age, yr | 65 (9) |
| Male | 766 (71.5%) |
| Body mass index (kg m-2) | 25 (3) |
| Diabetes mellitus | 528 (49.3%) |
| Hypertension | 771 (71.9%) |
| Dyslipidemia | 246 (22.9%) |
| Previous myocardial infarction | 86 (8.0%) |
| Previous stroke | 155 (14.5%) |
| Acute renal failure | 17 (1.6%) |
| Chronic renal failure | 156 (14.6%) |
| LV dysfunction (EF < 35%) | 151 (14.1%) |
| COPD | 12 (1.1%) |
| Previous cardiac surgery | 35 (3.3%) |
| Preoperative IABP insertion | 218 (20.3%) |
| Operative variables | |
| Emergent operation | 181 (16.9%) |
| Number of coronary grafts | 3 (1) |
| Duration of surgery, min | 370 (77) |
Data are presented as mean (SD) or number (%).
LV, left ventricle; EF, ejection fraction; COPD, chronic obstructive pulmonary disease; IABP, intra-aortic balloon pump.