TABLE 1.
Demographic and clinical characteristics of healthy control and schizophrenia group.
| Factor | CON (N = 50) | SCZ (n = 69) | χ2/t | P |
| Gender (male/female) | 38/12 | 49/20 | 0.37 | 0.545a |
| Age (year) | 42.2 ± 8.8 | 44.8 ± 7.0 | −1.80 | 0.074b |
| Education (years of schooling) | 10.9 ± 3.1 | 10.8 ± 2.5 | 0.15 | 0.882b |
| Smoking (yes/no) | 24/26 | 35/34 | 0.09 | 0.769a |
| Duration of illness (year) | 19.7 ± 8.3 | |||
| Age at onset (year) | 24.5 ± 6.6 | |||
| CPZe (mg/day) | 292.7 ± 265.3 | |||
| PANSS score | 63.3 ± 13.1 | |||
| Positive Symptoms | 12.8 ± 4.5 | |||
| Negative Symptoms | 20.0 ± 6.4 | |||
| General Psychopathology | 30.5 ± 5.6 |
Mean ± SD are reported for age, education, duration of illness, age at onset, CPZe, and all PANSS scores.
CON, Health Control Group; SCZ, Schizophrenia Group; CPZe, Chlorpromazine Equivalent Doses; PANSS, Positive and Negative Syndrome Scale.
aIndicates P-value for chi-square test.
bIndicates P-value for independent sample t-test.