Table 1.
Demographics.
| Category | SSD patients | HC | Statistics | |
|---|---|---|---|---|
| N = 94 | N = 73 | |||
| Age | ||||
| Years | M (SD) | 33.6 (13.4) | 36.1 (15.8) | F=2.53, P= .267 |
| Sex | ||||
| Male | n (%) | 68 (72) | 49 (67) | χ 2 =0.533, P= .465 |
| Years of education | ||||
| Participant | M (SD) | 12.7 (2.5) | 14.6 (2.2) | F= 9.248, P=.003* |
| Parental | M (SD) | 12.4 (2.9) | 12.1 (3.1) | F= 0.595, P=.442 |
| Chlorpromazine dose | ||||
| milligram equivalent | M (SD) | 226.2 (156.2)a | ||
| Illness duration | ||||
| Years | M (SD) | 4.6 (9.21) | ||
| Diagnosis | ||||
| Psychosis NOS | n (%) | 41 (44) | ||
| Schizophrenia | n (%) | 36 (38) | ||
| Schizoaffective | n (%) | 15 (16) | ||
| Schizophreniform | n (%) | 2 (2) | ||
| PANSS | ||||
| Positive | M (SD) | 11.5 (4.2) | ||
| Negative | M (SD) | 13.1 (4.6) | ||
| General | M (SD) | 26.4 (6.6) | ||
| Total | M (SD) | 51.0 (12.0) | ||
Legend: SSD: Schizophrenia spectrum disorder, HC: healthy control, M: mean, SD: standard deviation, NOS: Not Otherwise Specified, PANSS: Positive And Negative Syndrome Scale,
a: 6 subjects used antipsychotic medication for which no dosage equivalent could be calculated, thus the mean dosage calculated is of 88 subjects.
* denotes significant difference with P < .05.