Table 1 Preoperative Comorbidity and Risk Factors
Randomization | TO group, n = 18 | ILS group, n = 17 | p-value |
|---|---|---|---|
Age*, years | 62.9 ± 11.2 | 68.2 ± 9.2 | 0.14 |
Body mass index* | 28.3 ± 3.9 | 29.8 ± 3.1 | 0.20 |
Female, n | 4 (22.2) | 2 (11.8) | 0.66 |
Cerebrovascular disease, n | 1 (5.6) | 4 (23.5) | 0.18 |
Diabetes mellitus, n | 2 (11.1) | 3 (17.6) | 0.79 |
Previous myocardial infarction, n | 6 (33.3) | 4 (23.5) | 0.71 |
Percutaneous coronary intervention, n | 8 (44.4) | 6 (35.3) | 0.73 |
Peripheral vascular disease, n | 1 (5.6) | 0 (0) | 1.00 |
History of unstable angina pectoris, n | 5 (27.8) | 2 (11.8) | 0.40 |
Smoking, n | 9 (50) | 10 (58.8) | 0.74 |
Atrial fibrillation, n | 3 (16.7) | 2 (11.8) | 1.00 |
Left main stenosis, n | 0 (0) | 0 (0) | 1.00 |
1-vessel disease, n | 13 (72.2) | 12 (70.6) | 1.00 |
2-vessel disease, n | 5 (27.8) | 5 (29.4) | 1.00 |
LAD stenosis | |||
50–70%, n | 3 (16.7) | 3 (17.6) | 1.00 |
> 70%, n | 15 (83.3) | 14 (82.4) | 1.00 |
Beta-blocker administration, n | 16 (88.9) | 12 (70.6) | 0.23 |
Acetyl salicylic acid administration, n | 1 (5.6) | 2 (11.8) | 0.60 |
Ejection fraction†, % | 62; 60–65 | 65; 60–70 | 0.34 |
EuroSCORE† | 2.08; 1.31–2.69 | 2.21; 1.33–2.69 | 0.99 |
Hypertension, n | 14 (77.8) | 14 (82.4) | 1.00 |
Hyperlipidemia, n | 13 (72.2) | 10 (58.8) | 0.49 |
Chronic obstructive pulmonary disease, n | 0 (0) | 0 (0) | 1.00 |
Serum creatinin level*, mmol/L | 80.6 ± 17.4 | 92.2 ± 16.5 | 0.051 |