Table 2: Preoperative and intraoperative patient demographics.
| Success group | Failure | All | p-value | ||
| ≤ 240 mins | > 240 mins | ||||
| (n = 121) | (n = 70) | (n = 88) | (n = 279) | ||
| Age (years) | 56.0 (49.0, 62.5) | 59.5 (53.8, 66.3) | 65.0 (57.0, 70.8) | 60.0 (53.0, 67.0) | < 0.001 |
| Gender | 0.2 | ||||
| Male | 92 (76.0%) | 51 (72.9%) | 74 (84.1%) | 217 (77.8%) | |
| Female | 29 (24.0%) | 19 (27.1%) | 14 (15.9%) | 62 (22.2%) | |
| BMI (kg/m2) | 24.8 (22.3, 27.4) | 24.8 (23.3, 27.8) | 25.2 (22.0, 28.5) | 24.9 (22.3, 27.6) | 0.47 |
| LVEF | 0.674 | ||||
| ≥ 40% | 100 (90.9%) | 66 (94.3%) | 80 (90.9%) | 256 (91.8%) | |
| < 40% | 11 (9.1%) | 4 (5.7%) | 8 (9.1%) | 23 (8.2%) | |
| COPD | 2 (1.7%) | --- | 3 (3.4%) | 5 (1.8%) | 0.273 |
| Renal impairment | 3 (2.5%) | 7 (10.0%) | 16 (18.2%) | 26 (9.3%) | 0.001 |
| History of stroke | 8 (6.6%) | 2 (2.9%) | 3 (3.4%) | 13 (4.7%) | 0.395 |
| DM | 31 (25.6%) | 18 (25.7%) | 29 (33.0%) | 78 (28.0%) | 0.451 |
| Types of surgery | 0.187 | ||||
| Isolated CABG | 74 (61.2%) | 42 (60.0%) | 61 (69.3%) | 177 (63.4%) | |
| Isolated valve | 25 (20.7%) | 20 (28.6%) | 20 (22.7%) | 65 (23.3%) | |
| Others | 22 (18.2%) | 8 (11.4%) | 7 (8.0%) | 37 (13.3%) | |
| EuroScore II | 0.73 (0.57, 1.07) | 0.77 (0.62, 1.23) | 0.97 (0.71, 1.56) | 0.79 (0.61, 1.28) | 0.002 |
| Inotropes | 0.01 | ||||
| Low | 101 (83.5%) | 55 (78.6%) | 55 (62.5%) | 211 (75.6%) | |
| Moderate | 16 (13.2%) | 10 (14.3%) | 25 (28.4%) | 51 (18.3%) | |
| High | 4 (3.3%) | 5 (7.1%) | 8 (9.1%) | 17 (6.1%) | |
| Cross-clamp time (mins) | 51.0 (37.5, 66.0) | 50.0 (40.0, 64.8) | 58.5 (44.8, 73.0) | 52.0 (41.0, 67.0) | 0.023 |
| Lowest core temp (℃) | 32.6 (31.5, 33.2) | 32.2 (30.9, 33.2) | 32.2 (30.7, 33.1) | 32.3 (31.1, 33.2) | 0.27 |
| CPB time (mins) | 94.0 (67.0, 115.0) | 86 (72.0, 108.8) | 104.5 (86.8, 120.3) | 94.0 (75.0, 116.0) | 0.001 |
BMI: Body Mass Index; LVEF: Left ventricular ejection fraction; COPD: Chronic obstructive pulmonary disease; DM: Diabetes mellitus; CABG: Coronary artery bypass grafting; CPB: Cardiopulmonary bypass.