Table 1.

Demographic and clinical characteristics of patients with schizophrenia and healthy control subjects.

	Healthy control subjects	Patients with schizophrenia	Positive schizophrenia	Negative schizophrenia
Numbers	23	31	10	21
Male %	38%	52%	56%	48%
Age	38.58 ± 9.55	38.64 ± 8.98	30.33 ± 4.42	42.17 ± 8.17
Age of manifestation		23.12 ± 4.69	20.56 ± 4.33	23.83 ± 4.44
Duration of disease, years	–	15.12 ± 7.26	9.11 ± 3.58	18.04 ± 6.36
CPZ equivalent (mg/day)	–	273.5 ± 292.1	443.3 ± 412.5	215.9 ± 212.4
PANSS positive		15.9 ± 8.13	21.25 ± 6.1	17.71 ± 5.3
PANSS negative		23.21 ± 4.33	18.50 ± 5.5	28.21 ± 3.8
PANSS general		46.33 ± 8.56	42.75 ± 6.4	51.78 ± 9.1
PANSS total		85.45 ± 17.45	82.51 ± 15.5	97.71 ± 19.2