Table 2: Intraoperative factors.
| All patients (n = 149) | No delirium (n = 109) | Delirium (n = 40) | Odds ratio | 95% CI | P-value | |
| Type of surgery | ||||||
| CABG, N (%) | 22 (14.8) | 14 (12.8) | 8 (20) | |||
| 8 (20) | 23 (15.4) | 20 (18.3) | 3 (7.5) | |||
| 3 (7.5) | 8 (5.4) | 7 (6.4) | 1 (2.5) | |||
| Aorta replacement, N (%) | 38 (25.5) | 27 (24.8) | 11 (27.5) | |||
| Two type of valve replacement or reconstruction, N (%) | 7 (4.7) | 3 (2.8) | 2 (5.0) | |||
| CABG + valve surgery, N (%) | 5 (3.4) | 5 (4.6) | 0 (0) | |||
| Aorta replacement + valve surgery, N (%) | 10 (6.7) | 8 (7.3) | 2 (5.0) | |||
| Other (one type), N (%) | 7 (4.7) | 5 (4.6) | 2 (5.0) | |||
| Other (multiple types) , N (%) | 31 (20.8) | 20 (18.3) | 11 (27.5) | 0.4411 | ||
| Surgical time, min | 500.31 ± 175.88 | 480.90 ± 161.20 | 555.48 ± 203.12 | 1.0023 | 1.0003-1.0044 | 0.025 |
| In/out balance during the surgery, mL | 5074.73 ± 2109.39 | 4824.85 ± 2094.88 | 5755.65 ± 2020.51 | 1.0002 | 1.00004-1.0004 | 0.016 |
| Blood loss, mL | 1102.98 ± 1366.5 | 1083.45 ± 1489.34 | 1156.2 ± 968.12 | 1.0000 | 0.9997-1.0003 | 0.776 |
| CPB time, minute | 210.50 ± 105.90 | 58.88 ± 10.80 | 59.74 ± 12.15 | 1.0071 | 0.9729-1.0424 | 0.198 |
| Emergency operation, N (%) | 33 (22.15) | 23 (21) | 10 (25) | 1.2464 | 0.5154-2.8675 | 0.612 |
Data are presented as the mean ± SD or number (%); Pearson's chi-square test with p < 0.1. Univariate logistic regression analyses with p < 0.10.
CPB: Cardiopulmonary bypass; CABG: Coronary artery bypass graft; AVR: Aortic valve replacement; MVR: Mitral valve replacement; MVR: Mitral valve reconstruction.