Table 2 Demographics and clinical data associated with POCD in elderly patients
POCD (n = 37) | Non-POCD (n = 75) | P-value | |||
|---|---|---|---|---|---|
Age (year) | 65.03 ± 3.69 | 63.24 ± 3.16 | 0.023 | ||
Sex (n, %) | 0.742 | ||||
Women | 14 | 37.80% | 26 | 34.70% | |
Men | 23 | 62.20% | 49 | 65.30% | |
BMI (kg m−2) | 24.58 ± 1.60 | 24.36 ± 1.12 | 0.456 | ||
ASA grade (n, %) | 0.383 | ||||
I | 15 (40.50%) | 36 (48%) | |||
II | 18 (48.60%) | 34 (45.30%) | |||
III | 4 (10.80%) | 5 (6.70%) | |||
Education level (years) | 4.97 ± 2.65 | 6.31 ± 2.61 | 0.017 | ||
Living habits (n, %) | |||||
History of smoking | 14 (37.80%) | 33 (44.00%) | 0.534 | ||
History of drinking | 15 (40.50%) | 31 (41.30%) | 0.936 | ||
Medical history (n, %) | |||||
History of general anaesthesia surgery | 12 (32.40%) | 23 (30.70%) | 0.850 | ||
Diabetes mellitus | 9 (24.30%) | 6 (8.00%) | 0.035 | ||
Hypertension | 16 (43.20%) | 14 (18.70%) | 0.006 | ||
Coronary disease | 8 (21.60%) | 5 (6.70%) | 0.029 | ||
Disease of the respiratory system | 3 (8.10%) | 3 (4.00%) | 0.364 | ||
History of cerebral infarction | 7 (18.90%) | 4 (5.30%) | 0.039 | ||
Sleep disorders (points) | 5.51 ± 2.70 | 4.03 ± 1.99 | 0.010 | ||
Low potassium | 9 (24.30%) | 7 (9.30%) | 0.033 | ||