Table 1.
Preoperative characteristics and risk factors in the study population (n=508)
| Characteristic | Value |
|---|---|
| Age (yr) | 67.3±9.7 |
| Sex (male) | 396 (78.0) |
| Body mass index (kg/m2) | 24.7±3.6 |
| STS score (%) | 0.9 (0.5–1.5) |
| EuroSCORE II (%) | 1.3 (0.9–2.3) |
| Coronary artery disease | |
| 3 VD | 361 (71.1) |
| Left main disease with 3VD | 143 (28.2) |
| Acute coronary syndrome | 295 (58.1) |
| History of percutaneous coronary intervention | 127 (25.0) |
| Risk factors | |
| Hypertension | 337 (66.3) |
| Diabetes mellitus | 297 (58.5) |
| Dyslipidemia | 257 (50.6) |
| History of stroke | 59 (11.6) |
| Peripheral vascular disease | 112 (22.0) |
| Chronic obstructive pulmonary disease | 26 (5.1) |
| Atrial fibrillation | 23 (4.5) |
| Left ventricular dysfunction (EF <0.35) | 45 (8.9) |
Values are presented as mean±standard deviation, number (%), or median (interquartile range).
STS, Society of Thoracic Surgeons; EuroSCORE II, European System for Cardiac Operative Risk Evaluation II; 3 VD, three-vessel disease; EF, ejection fraction.