Table 1.

Demographic and clinical characteristics.

	Patient group	Control group
Gender (M : F)	14 : 14	16 : 10
Ethnicity
(Caucasian : African-American : other)	9 : 16 : 3	8 : 15 : 3
Age
Mean	32.3 ± 9.0	33.0 ± 8.6
Range	20–47 yrs	20–48 yrs
Duration of illness	13.00 ± 8.3	N/A
Range	2–33	N/A
Symptoms
Positive (SAPS-total)	6.00 ± 8.5	N/A
Negative (SANS-total)	13.00 ± 8.3	N/A
Antipsychotics
Chlorpromazine-equivalents (n = 28)	225 mg ± 247	N/A
Olanzapine-equivalents (n = 2)	13.6 mg ± 7.6	N/A