Table 2.

Distribution of DRD3, COMT, and 5HT2A polymorphisms in youth-onset schizophrenia and control groups.

rs	Allele	Case frequence	Control frequence	χ2	p	Odds ratio	(95% Cl)
rs6280 DRD3	C	0,281	0,227	4,97	0,03	1,34	1.04–1.72
Chromosome 3	T	0,719	0,773	0,75	0.58–0.97
Male	C	0,244	0,232	0,13	0,72	1,07	0.75–1.51
T	0,756	0,768	0,94	0.66–1.33
Female	C	0,311	0,194	5,39	0,02	1,87	1.10–3.19
T	0,689	0,806	0,54	0.31–0.91
rs4680 COMT	A	0,507	0,53	0,66	0,42	0,91	0.73–1.14
Chromosome 22	G	0,493	0,47	1,1	0.88–1.37
Male	A	0,513	0,495	0,22	0,64	1,07	0.79–1.46
G	0,487	0,505	0,93	0.69–1.26
Female	A	0,503	0,658	10,14	0,001	0,53	0.35–0.78
G	0,497	0,342	1,9	1.28–2.83
rs7322347 5HT2A	A	0,419	0,314	15,01	0,0001	1,58	1.25–1.99
Chromosome 13	T	0,581	0,686	0,63	0.50–0.80
Male	A	0,42	0,308	9,88	0,002	1,63	1.20–2.21
T	0,58	0,692	0,61	0.45–0.83
Female	A	0,419	0,345	1,8	0,18	1,37	0.87–2.15
T	0,581	0,655	0,73	0.46–1.15