Neuropsychological and cerebral morphometric aspects of negative symptoms in schizophrenia: negative symptomatology is associated with specific mnestic deficits in schizophrenic patients

Table 1 Demographic data and clinical characteristics of the schizophrenic group with a high SANS score, the schizophrenic group with a low SANS score, and the control group as well as significance of results

Demographic data/clinical characteristics	Schizophrenics high SANS-score		Schizophrenics low SANS-score		Controls
	Mean	SD	Mean	SD	Mean	SD	F-value
Age (in years)	27,90	6,03	30,40	7,78	28,22	5,83	0,53
School education (in years)	12,30	1,25	12,20	1,32	12,13	1,50	0,06
Sex (female/male)	7/3		5/5		22/10		1,30¹
Age of onset of clinical symptoms (in years)	24,22	3,80	26,10	6,06			0,63
Duration of schizophrenia (in months)	49,78	54,48	58,90	51,31			0,03
Number of psychotic episodes	2,11	2,42	2,00	2,00			0,30
Total amount of time hospitalized for schizophrenia (in weeks)	19,11	19,66	24,80	27,77			0,01
BPRS	45,50	16,86	27,60	8,57			7,36**
Positive family history for psychiatric disorders in 1st and 2nd grade dependant	8		10				4,2¹
Chlorpromazine-equivalents	10		10				0,8¹

ISSN: 1471-244X