Table 1. Demographic and clinical characteristics of patient and control groups.
| FS (n = 98) | SS (n = 190) | Control (n = 195) | Statistic | |
|---|---|---|---|---|
| Age, mean (SD), years | 23.29 (6.79) | 22.61 (6.15) | 23.10 (5.45) | F = 0.51,p = 0.60 |
| Gender, M/F | 43/55 | 96/94 | 100/95 | χ2 = 1.57,p = 0.46 |
| Education, mean (SD), years | 11.80 (2.66) | 11.73 (2.90) | 12.18 (2.91) | F = 1.34,p = 0.26 |
| Duration, mean (SD), months | 19.83 (28.81) | 15.40 (22.44) | t = 1.28,p = 0.20 | |
| PANSS, mean (SD) | ||||
| Total profile symptoms | 87.64 (20.83) | 85.98 (21.57) | t = 0.49,p = 0.63 | |
| Positive symptoms | 25.45 (7.36) | 23.67 (6.44) | t = 1.67,p = 0.10 | |
| Negative symptoms | 18.05 (7.11) | 18.82 (7.06) | t = −0.69,p = 0.49 | |
| General psychopathology | 44.14 (12.71) | 43.49 (13.26) | t = 0.31,p = 0.76 | |
FS, familial schizophrenia; SS, sporadic schizophrenia; M, male; F, female; PANSS, Positive and Negative Syndrome Scale; SD, standard deviation; *p < 0.05, **p < 0.005.