Table 1.
Demographic characteristics of the POCD and non-POCD groups.
| Variable | POCD group (n = 111) | Non-POCD group (n = 271) | P value |
|---|---|---|---|
| Smoking history | 50 (45.0) | 140 (51.6) | 0.009 |
| Male | 56 (50.4) | 133 (49.0) | 0.062 |
| Age, years | 66.42 ± 4.2 | 64.81 ± 3.9 | 0.001 |
| Weight, kg | 65.55 ± 9.7 | 67.76 ± 9.0 | 0.748 |
| Education level | |||
| Illiteracy | 25 (22.5) | 53 (19.5) | 0.039 |
| Primary school | 19 (17.1) | 45 (16.6) | 0.021 |
| Junior high school | 32 (28.8) | 61 (22.5) | 0.025 |
| High school | 30 (27.0) | 79 (29.1) | 0.306 |
| College | 5 (4.5) | 33 (12.1) | 0.310 |
| History of alcohol drinking | 77 (69.3) | 151 (55.7) | 0.057 |
| Chronic disease | 0.102 | ||
| Hypertension | 26 (23.4) | 84 (30.9) | |
| Coronary heart disease | 7 (6.3) | 23 (8.4) | |
| Diabetes | 9 (8.1) | 21 (7.7) | |
| History of general anesthesia | 20 (18.0) | 33 (12.1) | 0.001 |
| History of allergy | 23 (20.7) | 34 (12.5) | 0.001 |
Data are presented as n (%) or mean ± standard deviation.
POCD, postoperative cognitive dysfunction.