Table 1. Demographic characteristics and clinical variables of the healthy control and schizophrenia spectrum patient group.

	SZ		CG
	(N = 11)		(N = 11)
	N	%	N	%	?2a	df	p
Gender (M/F)	7/4	63.6	7/4	63.6	0.818	1	0.366
	Mean	SD	Mean	SD	t b	df	p
Age (years)	30.77	6.4	31.16	6.66	0.137	20	0.802
Duration of illness (years)	6.55	5.29	na	.	.	.	.
Age of Onset	24	6	na	.	.	.	.
Number of Episodes	3	1.61	na	.	.	.	.
CPZE	664.73	495.76	na	.	.	.	.
DPZE	2.69	3.22	na	.	.	.	.
PANSS Total	52.82	14.39	na	.	.	.	.
PANSS Positive	13.55	5.84	na	.	.	.	.
PANSS Negative	13.91	7.01	na	.	.	.	.

^aChi-square test: Asymptotic significance (two-tailed): p<0.05.

^bindependent samples t-test: significance (two-tailed): p<0.05.

SZ: Schizophrenia spectrum patient group.

CG: Healthy control group.

CPZE: chlorpromazine equivalents.

DPZE: diazepam equivalents.

PANSS: Positive and Negative Syndrome Scale.

SD: standard deviation.

df: degree of freedom.