Table 2. Analysis of the association of PANSS negative symptoms with rs583583 alleles.

	Schizophrenia
	C/C (n = 197)	T carriers (n = 83)	p-valuea
male/female	122/75	53/30	0.89b
Age (years)	45.2	45.0	0.46
	13.6	14.9
CPZeq (mg/day)	626.4	627.2	0.99
	431.9	474.4
Positive symptom (0-42)	16.7	16.3	0.65
	6.4	5.2
Negative symptom (0-42)	19.4	19.4	0.98
	6.5	6.3
General (0-96)	37.9	36.3	0.22
	11.0	9.5
Results are shown as means and standard deviation.

^at-test (unless noted otherwise).

^bFisher’s exact test.