Table 1: Preoperative factors.
All patients (n = 149) | No delirium (n = 109) | Delirium (n = 40) | Odds ratio | 95% CI | P-value | |
Age, years | 70.94 ± 10.88 | 69.79 ± 11.89 | 74.08 ± 6.61 | 1.0449 | 1.0056-1.0919 | 0.024 |
BMI | 22.97 ± 3.47 | 23.02 ± 3.57 | 22.84 ± 3.23 | 0.9857 | 0.8874-1.0950 | 0.789 |
Brinkman index | 297.91 ± 517.74 | 249.51 ± 475.72 | 429.80 ± 605.11 | 1.0006 | 0.9999-1.0013 | 0.068 |
EF, % | 59.13 ± 11.17 | 58.88 ± 10.80 | 59.74 ± 12.15 | 1.0071 | 0.9729-1.0424 | 0.688 |
Sex (M), N (%) | 78 (52.3) | 54 (49.5) | 24 (60.0) | 1.5278 | 0.7321-3.181 | 0.259 |
Alcohol, N (%) | 23 (15.4) | 18 (16.5) | 5 (12.5) | 0.7222 | 0.2490-2.0945 | 0.541 |
Diabetes, N (%) | 40 (26.8) | 26 (23.9) | 14 (30.0) | 1.7189 | 0.7841-3.7684 | 0.176 |
Hypertension, N (%) | 114 (76.5) | 87 (79.8) | 27 (67.5) | 0.5252 | 0.2336-1.1809 | 0.119 |
Hypercholesterolemia, N (%) | 37 (25.0) | 29 (26.6)) | 8 (20.0) | 0.7119 | 0.2936-1.7263 | 0.452 |
Cerebral vascular disease, N (%) | 36 (24.2) | 23 (21.1) | 13 (32.5) | 1.8003 | 0.8042-4.0304 | 0.158 |
Dementia, N (%) | 3 (2.0) | 2 (1.8) | 1 (2.5) | 1.3717 | 0.1210-15.5554 | 0.802 |
AF, N (%) | 27 (18.1) | 15 (13.8) | 12 (30.0) | 2.6857 | 1.1269-6.4010 | 0.026 |
Hemodiafiltration, N (%) | 12 (8.1) | 8 (7.3) | 4 (10.0) | 1.4028 | 0.3983-4.9408 | 0.604 |
Living alone, N (%) | 24 (16.1) | 18 (16.5) | 6 (15.0) | 0.8922 | 0.3268-2.4359 | 0.824 |
Data are presented as the mean ± SD or number (%); Univariate logistic regression analyses with p < 0.10.
BMI: Body mass index; EF: Ejection fraction; AF: Atrial fibrillation.