Table 1. Patients' general data.
| Variable | n (%) |
| Gender | 208 (100) |
| Male | 196 (94.2) |
| Female | 12 (5.8) |
| Age* | 56.5 ± 11.3 |
| Hypertension | 73 (35.1) |
| DM | 53 (25.5) |
| Hyperlipidemia | 49 (23.6) |
| Smokers | 87 (41.8) |
| OMI | 80 (38.5) |
| COPD | 11 (5.3) |
| Stroke | 44 (21.2) |
| PCI | 36 (17.3) |
| Renal insufficiency (Cr > 2.5 mg/dL) | 7 (3.4) |
| Triple-vessel disease | 167 (80.2) |
| Double-vessel disease | 33 (15.9) |
| Left main disease | 8 (3.9) |
| NYHA class* | 2. 1 ± 1.1 (1–4) |
| CCSA class* | 2. 3 ± 1.3 (0–4) |
| Ejection Fraction (EF) * | |
| Mean value of EF | 0.51 ± 0.08 (0.30–0.76) |
| EF < 0.4 | 37 (17.8) |
*Data are presented as mean ± SD (range). CCSA: Canadian cardiovascular society angina; COPD: chronic obstructive pulmonary disease; DM: diabetes mellitus; EF: ejection fraction; NYHA: New York Heart Association; OMI: old myocardial infarction; PCI: percutaneous coronary intervention.