Table 1.
Demographics and clinical characteristics of patients with schizophrenia and healthy controls
| Characteristics | Patients with schizophrenia (n=33)
|
Healthy controls (n=33)
|
Group comparison
|
|
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | t | P-value | |
| Age (years) | 28.9 (5.7) | 27.5 (4.9) | −1.104 | 0.274 |
| Education (years) | 14.5 (2.1) | 15.7 (1.6) | 2.503 | 0.015* |
| Course of illness (months) | 19.9 (17.8) | – | ||
| DUP (months) | 8.4 (7.2) | – | ||
| PANSS-total | 90.5 (11.6) | – | ||
| PANSS-positive | 25.5 (3.7) | – | ||
| PANSS-P1 | 5.6 (1.2) | – | ||
| PANSS-P3 | 3.7 (1.9) | – | ||
| PANSS-(P1+P3) | 9.2 (2.3) | – | ||
| PANSS-negative | 19.9 (6.0) | – | ||
| PANSS-general | 45.1 (5.9) | – | ||
| CGI-severity | 5.3 (0.6) | – | ||
|
| ||||
| n (%) | n (%) | χ2 | ||
|
| ||||
| Gender | ||||
| Male | 15 (45) | 15 (45) | 0 | 1.000 |
| Female | 18 (55) | 18 (55) | ||
Notes: PANSS, Positive and Negative Syndrome Scale, which includes positive symptoms, negative symptoms, and general psychopathology subscales; P1, delusions; P3, hallucinatory behavior.
*
The results were statistically significant.
Abbreviations: CGI, Clinical Global Impression; DUP, duration of untreated psychosis; SD, standard deviation.