TABLE 1.

Demographic and clinical features of the participants.

Demographic and clinical features of the participants	SCZ	FDR	HC
	n = 38	n = 33	n = 38
Characteristic	Mean (± SD)	Mean (± SD)	Mean (± SD)	p
Age (years)	26.3 ± 6.9	26.7 ± 9.6	25.4 ± 5.6	0.32
Gender (male/female)	19/19	18/15	19/19	0.84
Education level (years)	13.5 (2.96)	12.1 (4.15)	14.2 (3.37)	0.12
Age at onset (years)	19.2 (3.77)
Length of illness (years)	2.72 (2.95)
Frame-wise displacement	0.26 (0.11)	0.23 (0.11)	0.20 (0.09)	0.13
PANSS score
Total	22.6 ± 5.8
Positive	21.5 ± 8.1
Negative	44.1 ± 6.2
General	85.8 ± 12.8
Semantic fluency scores	12.1 ± 6.2	14.9 ± 5.6	16.7 ± 4.3	0.001

Differences in age, education levels, frame-wise displacement and semantic fluency scores were carried with one-way ANOVA. Differences in gender was carried with Chi-square test.