Table 1 Sociodemographic and medical history of subjects without and with CPSP (n = 2348)
Variables | Non-CPSP (n = 1315) | CPSP (n = 1033) | P value |
|---|---|---|---|
Age, n (%) | |||
 < 65 | 897 (68.2) | 757 (73.3) | 0.008 |
 ≥ 65 | 418 (31.8) | 276 (26.7) | |
Female, n (%) | 627 (47.7) | 623 (60.3) |  < 0.001 |
BMI, n (%) | |||
 < 24 kg/m2 | 722 (54.9) | 605 (58.6) | 0.076 |
 ≥ 24 kg/m2 | 593 (45.1) | 428 (41.4) | |
ASA, n (%) | |||
 I/II | 156 (11.9) | 98 (9.5) | 0.118 |
 III | 1159 (88.1) | 931 (90.5) | |
Smoking history, n (%) | 200 (15.2) | 121 (11.7) | 0.014 |
Drinking history, n (%) | 143 (10.9) | 84 (8.1) | 0.026 |
Hypertension, n (%) | 358 (27.2) | 273 (26.4) | 0.666 |
Diabetes mellitus, n (%) | 128 (9.7) | 92 (8.9) | 0.494 |
CHD, n (%) | 36 (2.7) | 20 (1.9) | 0.206 |
Surgery history, n (%) | 413 (31.4) | 413 (31.2) | 0.903 |
Preoperative pain, n (%) | 36 (2.7) | 75 (7.3) | < 0.001 |
Education level less than junior school, n (%) | |||
| Â | 658 (50.0) | 591 (57.2) | 0.001 |
Consumption of sedative hypnotic preoperative, n (%) | |||
| Â | 458 (34.8) | 338 (32.7) | 0.284 |