Table 1 Demographic and clinical characteristics of participants.
Characteristics | Healthy comparison subjects (n = 95) | Schizophrenia patients (n = 100) | Statistics | |||||
|---|---|---|---|---|---|---|---|---|
Mean | SD | Range | Mean | SD | Range | t/χ2 | p | |
Age (years) | 33.3 | 10.4 | 20–57 | 34.1 | 8.2 | 20–59 | t = −0.532 | 0.595 |
Sex | M44 | F51 | — | M58 | F42 | — | χ2 = 2.666 | 0.103 |
Duration of illness (months) | — | — | — | 126.3 | 97.7 | 0–468 | — | — |
Positive and negative syndrome scale score | ||||||||
 Positive subscore | — | — | — | 16.9 | 7.8 | — | — | — |
 Negative subscore | — | — | — | 20.2 | 9.0 | — | — | — |
 General subscore | — | — | — | 71.2 | 22.8 | — | — | — |
 Current antipsychotic dosage (chlorpromazine equivalents)47 (mg/d) | — | — | — | 451.8 | 342.3 | 0–1800 | — | — |
