Table 1.
Demographic characteristics of patients with early-stage schizophrenia and healthy controls
| Characteristic | Patients with schizophrenia (n = 75)* | Healthy controls (n = 44)* | t or χ2 | p value |
|---|---|---|---|---|
| Sex, M/F | 34/41 | 24/20 | 1.20 | 0.27 |
| Age, yr | 28.61 ± 6.90 | 30.07 ± 7.49 | −1.07 | 0.29 |
| Education, yr | 13.01 ± 3.77 | 14.28 ± 2.18 | −2.02 | 0.05 |
| BMI, kg/m2 | 20.90 ± 2.91 | 23.35 ± 3.67 | −3.92 | 0.001 |
| Illness duration, mo | 12.25 ± 17.85 | NA | NA | NA |
| Positive and Negative Syndrome Scale | ||||
| Positive symptom score | 21.79 ± 4.91 | NA | NA | NA |
| Negative symptom score | 17.56 ± 6.00 | NA | NA | NA |
| General psychopathological symptom score | 36.92 ± 6.98 | NA | NA | NA |
| Total score | 76.26 ± 12.81 | NA | NA | NA |
NA = not applicable.
*
Data are mean ± standard deviation unless otherwise indicated.