Table 1.

Demographic, clinical, treatment characteristics of the participants

	Schizophrenia Patients (N=12)	Controls (N=11)	Statisticsa	p
Demographic variables
Age (years)	45.4 (11.3)	44.0 (7.9)	.35	.732
Education (years)	14.0 (2.3)	16.3 (1.8)	−2.70	.014
Parental education (years)	13.9 (2.8)	13.3 (2.1)	.54	.595
IQ estimate	99.7 (14.6)	110.2 (10.0)	−1.88	.076
% Male	83 %	73%	.38	.538
Clinical variables
Overall symptomatologyb	43.8 (10.7)	-	-	-
Psychosis symptom scorec	1.6 (1.6)	-	-	-
Negative symptom scored	1.5 (1.1)	-	-	-
Disorganization symptom scorese	1.5 (1.5)	-	-	-
Illness duration (years)	22 (10.15)
Treatment variables
Medication (CPZ equivalent)	788.9 (587.3)	-

Note: Values are mean and standard deviation unless otherwise noted.

^at(21) for continuous variables and χ²(1) for discrete variables.

^bOverall symptomatology score was computed as a total BPRS score (range: 0~168)

^cPsychosis symptom score was computed as the average global score for hallucinations and delusions in SAPS (range: 0~5).

^dNegative symptom score was computed as the average global score for alogia, affective flattening, avolition-apathy, and anhedonia-asociality in SANS (range: 0~5).

^eDisorganization symptom score was the global score for positive formal thought disorder in SAPS (range: 0~5).