TABLE 1.
Demographic Data
| Variable | All Patients | Survival 12 mo | Death 12 mo | p |
|---|---|---|---|---|
| n | 1,379 | 1,318 | 61 | |
| Age, yr, median (IQR) | 69 (62–76) | 69 (62–76) | 71 (66–78) | 0.076 |
| Male sex, n (%) | 902 (65.4) | 860 (65.3) | 42 (68.9) | 0.679 |
| Hypertension, n (%) | 1,117 (81) | 1,069 (81.1) | 48 (78.7) | 0.618 |
| Diabetes mellitus, n (%) | 430 (31.2) | 413 (31.3) | 17 (27.9) | 0.672 |
| Dyslipidemia, n (%) | 840 (60.9) | 802 (60.9) | 38 (62.3) | 0.894 |
| Chronic kidney disease, n (%) | 356 (25.8) | 323 (24.5) | 33 (54) | < 0.0001 |
| Peripheral vascular disease, n (%) | 98 (7.1) | 95 (7.2) | 3 (8.2) | 0.797 |
| Cerebrovascular disease, n (%) | 96 (7) | 88 (6.7) | 8 (13.1) | 0.067 |
| Chronic lung disease, n (%) | 158 (11.5) | 147 (11.2) | 11 (18) | 0.102 |
| Ischemic cardiopathy, n (%) | 384 (27.8) | 371 (28.1) | 13 (21.3) | 0.306 |
| Previous cardiac surgery, n (%) | 26 (1.9) | 26 (2) | 0 (0) | 0.626 |
| Preserved LV function, n (%) | 1,107 (80.3) | 1,062 (80.6) | 45 (73.8) | 0.19 |
| Moderate LV function (31–50%), n (%) | 132 (9.6) | 127 (9.6) | 5 (8.2) | > 0.999 |
| Poor LV function (21–30%), n (%) | 100 (7.2) | 93 (7) | 7 (11.5) | 0.202 |
| Very poor LV function (< 20%), n (%) | 40 (2.9) | 36 (2.7) | 4 (6.6) | 0.097 |
| Elective | 1,264 (91.7) | 1,218 (92.4) | 46 (75.4) | < 0.0001 |
| Urgent | 69 (5) | 62 (4.7) | 7 (11.5) | 0.029 |
| Emergent | 46 (3.3) | 38 (2.9) | 8 (13.1) | 0.0006 |
| European System for Cardiac Operative Risk Evaluation II (IQR) | 1.64 (1.11–3.07) | 1.62 (1.08–2.98) | 3.03 (1.65–5.89) | < 0.0001 |
| Isolated CABG | 387 (28.1) | 377 (28.6) | 10 (16.4) | 0.041 |
| Single non-CABG | 650 (47.1) | 622 (47.2) | 28 (45.9) | 0.896 |
| Two procedures | 283 (20.5) | 266 (20.2) | 17 (27.9) | 0.147 |
| Three procedures | 59 (4.3) | 53 (4) | 6 (9.8) | 0.042 |
| Thoracic aorta surgery | 124 (9) | 116 (8.8) | 8 (13.1) | 0.249 |
| Cardiopulmonary bypass time, min (IQR) | 63 (43.8–88) | 62 (43–86) | 85 (62–104) | 0.0009 |
| Cross-clamp time, min (IQR) | 50 (34–68.3) | 50 (34–67) | 58 (44–77) | 0.018 |
CABG = coronary artery bypass graft, IQR = interquartile range, LV = left ventricular.