Table 1.

Characteristic of examined population.

Variable	SZ	FS	CS	HC	p-value
Age, years [M]	29	211	401	281	1 <0.001
Gender (male) [%]	52 (53.06)	26 (53.06)	26 (53.06)	21 (42.86)	NS
BMI, kg/m2 [M]	24.5	21.32	25.91/2	22.91	10.03 2 <0.001
Smoking cigarettes per day [M]	0	0	0	0	NS
Duration of illness, months [M]	24	31	2411	NA	1 <0.001
Number of episodes [M]	3	11	71	NA	1 <0.001
PANSS total [M]	87	1041	721	NA	1 <0.001

SZ, schizophrenia; FS, first episode; CS, chronic schizophrenia; HC, healthy control; BMI, body mass index; PANSS, Positive and Negative Symptoms Scale.

^{1, 2}indicate groups with differences. M, median.