Table 1. Sociodemographic and clinical characteristics of 69 SZ and 69 HC subjects.
| Characteristics | HC (n = 69) | SZ (n = 69) | t or x2 | df | p |
| Age (years ± S.D.) | 38.09±12.09 | 38.45±11.70 | −0.18 | 136 | 0.86 |
| Males, n (%) | 47 (68) | 47 (68) | 0.00 | 1 | >0.999 |
| Educational Level(years ± S.D.) | 15.06±2.92 | 12.14±3.17 | 5.61 | 136 | <0.001 |
| Olanzapineequivalents(mg/day) | – | 18.65±17.76 | – | – | – |
| PANSS positive | – | 22.87±5.94 | – | – | – |
| PANSS negative | – | 20.10±7.35 | – | – | – |
| PANSS generalpsychopathology | – | 48.28±12.08 | – | – | – |
PANSS = positive and negative syndrome scale; S.D. = standard deviation; df = degrees of freedom; HC = Healthy Control; SZ = Schizophrenia.