Table 1.

Demographic and clinical data on the subjects

	Control (N=97)		Schizophrenia (N=90)		t or χ2	df	p
	Mean	SD	Mean	SD
Age	36.74	11.56	36.94	11.44	-0.12	184.23	0.90
Gender (N)
Male	72		65		0.18	1	0.66
Female	25		25
Duration of illness in COBRE (years)			11.33	13.53
PANSS in COBRE
Total score			59.54	19.89
Positive score			15.24	5.25
Negative score			14.8	5.45
General score			29.5	9.19
SAPS in NMorphCH			42	34.39
SANS in NMorphCH			53.31	26.27
LNS	-0.02	1.01	-0.99	1.26	5.82	170.65	<0.001

SD: standard deviation, df: degrees of freedom, COBRE: center for biomedical research excellence, LNS: letter number sequencing, PANSS: positive and negative syndrome scale, SAPS: the scale for the assessment of positive symptoms, SANS: the scale for the assessment of negative symptoms