Table 2.
Comparison of preoperative characteristics of patients between STAI A/E <20 or >20.
| Variable | STAI A/E < 20 (N = 29) |
STAI A/E ≥ 20 (N = 44) |
p-Value | |
|---|---|---|---|---|
| Age, years | 58 ± 15 | 54 ± 15 | 0.250 | |
| Gender | ||||
| Female, No. (%) | 16 (55.2) | 29 (65.9) | 0.462 | |
| Male, No. (%) | 13 (44.8) | 15 (34.1) | ||
| BMI, kg·m−1 | 24.6 ± 4.7 | 25.0 ± 6.1 | 0.767 | |
| Educational level | ||||
| Basic elementary, No. (%) | 20 (69.0) | 23 (52.3) | 0.224 | |
| Other No. (%) | 9 (31.0) | 21 (47.7) | ||
| MMSE, points | 29.0 ± 1.1 | 28.9 ± 1.5 | 0.886 | |
| Medicalhistory | ||||
| Depression, No. (%) | 5 (17.2) | 11 (25) | 0.567 | |
| Anxiety, No. (%) | 2 (6.9) | 3 (6.8) | 1.000 | |
| Rheumatological diseases, No. (%) | 2 (6.9) | 2 (4.5) | 0.66 | |
| Previous useof drugs | ||||
| Metamizole, No. (%) | 8 (27.6) | 19 (43.2) | 0.220 | |
| Corticosteroids, No. (%) | 6 (20.7) | 16 (36.4) | 0.197 | |
| Antidepressants, No. (%) | 6 (20.7) | 8 (18.2) | 1.000 | |
| Chronic use of analgesics, No. (%) | 7 (24.1) | 5 (11.4) | 0.200 | |
Data are expressed as mean + SD, or frequency (%). STAI A/E: State-Trait Anxiety Inventory State Anxiety; BMI: body mass index; MMSE: Mini-Mental State Examination.