Table 2. The demographic data.

	Control subjects (n = 16)	Schizophrenia subjects (n = 17)	p
Age	35.6 (2.47)A	39.6 (9.3)	0.22
Sex (M/F)	8/8	10/7	0.61
Education (years)	15.5 (2.23)	14.4 (1.7)	0.12
IQ	103.8 (12.9)	101.8 (22.7)	0.76
BPRS	n/aB	15.1 (9.8)
SAPS	n/a	14.9 (11.1)
SANS	n/a	21.1 (15.9)
SPQ	13.3 (7.2)	n/a
Handedness (L/R/Bi) (Edinburgh score)	2/14/0 64.7 (57.6)	1/15/1 66.5 (38.8)	0.92
Illness duration (years)	n/a	15.1 (8.5)
CPZ equivalent (mg/day)	n/a	246.97 (119.3)

^AMean (standard deviation).

^BNot applicable.