TABLE 1.
Demographic characteristics of the non-POD and POD group.
| Characteristics | Non-POD group (n = 40) | POD group (n = 18) | P-value |
| Age (y) | 69.25 ± 2.92 | 68.72 ± 2.93 | 0.867 |
| Male | 28 (70%) | 15 (83.3%) | 0.283 |
| BMI | 23.04 ± 3.06 | 24.61 ± 3.02 | 0.600 |
| NYHA | 0.493 | ||
| II | 14 (35%) | 8 (44.4%) | |
| III | 26 (65%) | 10 (55.6%) | |
| EF | 63.05 (8.6) | 61.45 (10.65) | 0.166 |
| Hypertension | 24 (60%) | 10 (55.6%) | 0.751 |
| Coronary heart disease | 6 (15%) | 5 (27.8%) | 0.251 |
| Diabetes | 8 (20%) | 8 (20%) | 0.054 |
| Smoking within 1 year | 4 (10%) | 3 (16.7%) | 0.567 |
| Pre-operative hemoglobin (g/L) | 131.5 (25.25) | 136 (22.25) | 0.274 |
| Pre-operative albumin (g/L) | 38.15 (5.15) | 38.85 (7.63) | 0.444 |
| Education (<6 years) | 12 (30%) | 6 (33.3%) | 0.800 |
| Pre-operative MoCA | 27.5 (2.0) | 27.6 (3.25) | 0.330 |
POD, post-operative delirium; BMI, body mass index; NYHA, New York heart association; MoCA, Montreal cognitive assessment; EF, ejection fraction.