Table 2 Comparison of baseline characteristics of non-POD and POD groups
Variable | No POD (n = 247) | POD (n = 42) | P-value |
|---|---|---|---|
Age | 72.12 ± 6.77 | 73.50 ± 6.91 | 0.23 |
Male | 136 (55.1%) | 28 (66.7%) | 0.18 |
Education levels | |||
 6 years or less | 198 (80.2%) | 34 (81.0%) | 1.00 |
 More than 6 years | 49 (19.8%) | 8 (19.0%) |  |
BMI | 24.29 ± 4.11 | 23.81 ± 4.52 | 0.47 |
ASA class | |||
 Class II | 65 (26.3%) | 3 (7.1%) | 0.01* |
 Class III | 165 (66.8%) | 38 (90.5%) | 0.002* |
 Class IV | 17 (6.9) | 1 (2.4%) | 0.49 |
Charlson comorbidity index | 5.83 ± 1.94 | 6.55 ± 2.27 | 0.03* |
Charlson comorbidity index > 5 | 120 (48.6%) | 27 (64.3%) | 0.07 |
Cardiovascular disease | 215 (87.0%) | 39 (92.9%) | 0.44 |
Endocrine disease | 180 (72.9%) | 36 (85.7%) | 0.09 |
Respiratory disease | 25 (10.1%) | 8 (19.0%) | 0.11 |
Nervous system disease | 56 (22.7%) | 15 (35.7%) | 0.08 |
CKD: 3a, 3b, 4, 5 | 91 (36.8%) | 24 (57.1%) | 0.01* |
Modified IQCODE ≥ 3.42 | 29 (12.2%) | 11 (28.2%) | 0.01* |
MoCA | 19.47 ± 4.85 | 16.76 ± 6.76 | 0.01* |
Previous Delirium | 0 (0.0%) | 2 (4.8%) | 0.02* |
PHQ-9 ≥ 7 | 13 (5.3%) | 3 (7.1%) | 0.71 |
Barthel ADL Index; score 0–70, moderately disabled | 10 (4.1%) | 1 (2.4%) | 1.00 |
Barthel ADL Index; score 100 | 94.85 ± 9.95 | 94.04 ± 13.80 | 0.65 |
Barthel ADL Index; score < 100 | 93 (38.3%) | 17 (40.5%) | 0.86 |
IADL score | 6.67 ± 1.79 | 5.90 ± 2.38 | 0.05 |
IADL score < 8 for women or score < 5 for men | 63 (25.5%) | 16 (38.1%) | 0.09 |
Frailty | 31 (12.6%) | 7 (16.7%) | 0.46 |
Quality of life at admission | 0.85 ± 0.17 | 0.87 ± 0.17 | 0.72 |