Table 1.
Patients’ characteristics
| Parameter | N (%) |
|---|---|
| Sex: | |
| Male | 73 (67.6) |
| Female | 35 (32.4) |
| Age [years]: | |
| Mean (range) | 62.3 ±12.7 (40–81) |
| 40–50 | 10 (9) |
| 51–60 | 34 (32) |
| 61–70 | 36 (33) |
| 71–80 | 24 (22) |
| 81 and older | 4 (4) |
| Education level: | |
| Mean (range) [years] | 9.2 ±3.6 (0–19) |
| Secondary school and lower | 84 (78) |
| High school | 17 (16) |
| University and higher | 7 (6) |
| Smoking history [cigarettes per day]: | |
| Never | 19 (18) |
| Former | 3 (3) |
| < 20 | 36 (34) |
| ≥ 20 | 50 (46) |
| Hypertension | 42.1% |
| Diabetes mellitus | 35.4% |
| Functional class: | |
| NYHA I | 0 |
| NYHA II | 31 (28.7) |
| NYHA III | 65 (60.2) |
| NYHA IV | 12 (11.1) |
| Risk groups: | |
| Mean (range) (EuroSCORE) | 4.2 ±2.7 (1–9) |
| Low | 34 (32) |
| Medium | 48 (44) |
| High | 26 (24) |
| Type of surgery: | |
| CABG | 69 (64) |
| CABG + valve replacement | 9 (8) |
| Valve replacement | 30 (28) |
| Mean ACC time [min] | 43.2 ±13.3 |
| Mean CPB time [min] | 75.8 ±26.7 |
| Mean ICU time [days] | 2.2 ±0.5 |
| Mean hospitalisation time [days] | 7.6 ±1.6 |
| Morbidity | 5 (5) |
NYHA – New York Heart Association, CABG – coronary artery bypass grafting, ACC – aortic cross-clamping, CPB – cardiopulmonary bypass, ICU – intensive care unit.