Table 1 Detailed descriptive data of patients with schizophrenia and healthy controls
Schizophrenia (n = 240) | Controls (n = 240) | z/χ 2 | P-value | |
|---|---|---|---|---|
Mean (SD) | Mean (SD) | |||
Age (years) | 48.1 (12.4) | 48.0 (13.0) | -0.03 | 0.98 |
Sex (male, %)1 | 57.9 | 59.6 | 0.14 | 0.71 |
Education (years) | 11.7 (2.1) | 14.2 (2.3) | -10.85 | <0.001 |
Smokers (%)1 | 38.3 | 27.9 | 5.88 | 0.015 |
JART | 92.4 (10.4) | 103.4 (10.7) | -10.19 | <0.001 |
Age at onset (years) | 24.8 (8.9) | — | — | — |
Antipsychotics (mg/day)2 | 12.7 (9.4) | — | — | — |
Anticholinergics (mg/day)3 | 3.3 (4.2) | — | — | — |
Anxiolytics/hypnotics (%) | 75.4 | — | — | — |
PANSS | ||||
Positive score | 14.1 (5.3) | — | — | — |
Negative score | 21.9 (6.7) | — | — | — |
General score | 33.9 (9.5) | — | — | — |
Total | 69.0 (18.8) | — | — | — |
BACS-J scores | ||||
Verbal memory | -2.01 (1.31) | 0.00 (1.00) | -14.63 | <0.001 |
Working memory | -1.95 (1.22) | 0.00 (1.00) | -14.67 | <0.001 |
Motor speed | -1.48 (1.26) | 0.00 (1.00) | -12.42 | <0.001 |
Verbal fluency | -1.15 (1.14) | 0.00 (1.00) | -10.62 | <0.001 |
Attention | -1.97(1.14) | 0.00 (1.00) | -15.41 | <0.001 |
Executive function | -1.77 (2.26) | 0.00 (1.00) | -9.67 | <0.001 |
Composite Score | -1.72 (1.10) | 0.00 (0.67) | -15.86 | <0.001 |