Table 1.
Demographic and clinical data of patients with schizophrenia and healthy controls
| Patients (n = 72) | HC (n = 68) | t/χ2/Z | P | |
|---|---|---|---|---|
| Age (years) | 40.40 ± 9.53 | 40.38 ± 9.50 | 0.013 a | 0.990 |
| Education (years) | 9 (6, 9) | 9 (6, 12) | -1.665 b | 0.096 |
| BMI (kg/m2) | 24.85 ± 3.57 | 25.38 ± 2.80 | -0.990 a | 0.324 |
| Smoking (n, %) | 35 (48.6) | 27 (39.7) | 1.124 c | 0.289 |
| Age of onset (years) | 26.65 ± 8.29 d | - | - | - |
| Duration of illness (years) | 12.79 ± 8.19 d | - | - | - |
| Equivalent dose of chlorpromazine (mg/d) | 577.73 ± 186.23 d | - | - | - |
| PANSS total score | 57.57 ± 15.19 d | - | - | - |
| P subscores | 11.18 ± 4.69 d | - | - | - |
| N subscores | 28.96 ± 6.15 d | - | - | - |
| G subscores | 17.61 ± 7.05 d | - | - | - |
| RBANS total score | 58.60 ± 11.13 | 88.32 ± 11.85 | -15.306 a | < 0.001 |
| Attention | 82.13 ± 13.78 | 106.54 ± 14.82 | -10.102 a | < 0.001 |
| Language | 72.07 ± 14.04 | 96.43 ± 11.61 | -11.150 a | < 0.001 |
| Visuospatial/constructional | 70.10 ± 14.70 | 88.63 ± 14.26 | -7.565 a | < 0.001 |
| Immediate memory | 50.81 ± 17.38 | 83.22 ± 16.97 | -11.157 a | < 0.001 |
| Delay memory | 54.35 ± 16.38 | 83.71 ± 17.54 | -10.240 a | < 0.001 |