Table 1.
Baseline characteristics
| Characteristic | Total (n = 59) |
|---|---|
| Age at surgery, y | 70 (65‐76) |
| Sex (n, %) | |
| Female | 46 (78) |
| Smoking (n, %) | |
| Never | 36 (61) |
| Ex‐smoker | 11 (18.6) |
| Current smoker | 8 (13.6) |
| Body mass index (kg/m²) | 26.1 (23.6‐28.3) |
| Comorbidity (n, %) | |
| Hypertension | 41 (69.5) |
| Diabetes mellitus | 15 (25.4) |
| COPD | 8 (13.6) |
| Cardiovascular comorbidity (n, %) | |
| Atrial fibrillation | 13 (22.0) |
| Myocardial infarction | 8 (13.6) |
| Myocardial infarction, <90 d | 7 (11.9) |
| TIA | 4 (6.8) |
| Stroke | 1 (1.7) |
| Peripheral vascular disease | 2 (3.4) |
| Pacemaker | 2 (3.4) |
| Coronary artery disease (number of arteries) | |
| 0 | 24 (40.7) |
| 1 | 11 (18.6) |
| 2 | 5 (8.5) |
| 3 | 19 (32.2) |
| NYHA classification (n, %) | |
| 1 | 3 (5.1) |
| 2 | 32 (54.2) |
| 3 | 21 (35.6) |
| 4 | 3 (5.1) |
| Euroscore | |
| I—Standard | 6.07 ± 2.25 |
| I—Logistic | 5.5 (3.5‐7.9) |
| II | 2.4 (1.4‐4.0) |
| Prior cardiac intervention (n, %) | |
| PCI | 13 (22.0) |
| Ablation | 1 (1.7) |
| CABG | 2 (3.4) |
| Valve | 1 (1.7) |
| CABG + valve | 1(1.7) |
| Other | 2 (3.4) |
| ASA score at surgery (0‐4) | 2.89 ± 0.41 |
| Preoperative creatinine (μmol/L) | 82 (67‐92) |
Note: Data are presented as n (%), mean ± SD, or median (interquartile range).
Abbreviations: AF, atrial fibrillation; ASA, American Society of Anesthesiologists score; CABG, coronary artery bypass grafting; COPD, chronic obstructive pulmonary disease; NYHA, New York Heart Association (functional class preoperatively); PCI, percutaneous coronary intervention; TIA, transient ischemic attack.