Table 1.
Demographic and clinical description of FRS(＋), FRS(−) and healthy controls
| Characteristics | FRS(＋) (n = 27) | FRS(−) (n = 24) | Controls (n = 52) | T/χ2 | p value |
|---|---|---|---|---|---|
| Age (yr) | 30.56 ± 7.61 | 27.58 ± 5.63 | 27.23 ± 7.35 | 2.08 | 0.13 |
| Sex, M:F | 12:15 | 13:11 | 26:26 | 0.49 | 0.78 |
| Age at onset in years | 28.01 ± 7.50 | 24.17 ± 5.30 | - | 2.07 | 0.04 |
| Duration of untreated illness (mo) | 19.27 ± 24.54 | 40.50 ± 33.66 | - | 2.56 | 0.01 |
| Total SAPS | 42.32 ± 8.60 | 23.58 ± 12.44 | - | 6.15 | < 0.01 |
| Total SANS | 45.20 ± 23.71 | 75.75 ± 25.66 | - | 4.33 | < 0.01 |
Values are presented as number only or mean ± standard deviation.
FRS(＋), schizophrenia with first rank symptoms; FRS(−), schizophrenia without first rank symptoms; SAPS, scale for the assessment of positive symptoms; SANS, scale for the assessment of negative symptoms.