Table 3. The allele frequency of all examined polymorphisms.

SNPs	Allele frequency	Case group n (%)	Control group n (%)	Case/control difference (χ2, p-value)
rs10735781	C	73 (88.0)	95 (95.0)	2.99, 0.080
	G	10 (12.0)	5 (5.0)
rs6897932	C	43 (51.8)	65 (65.0)	3.26, 0.070
	T	40 (48.2)	35 (35.0)
rs12044852	C	72 (86.7)	88 (88.0)	0.06, 0.790
	A	11 (13.3)	12 (12.0)
rs1321172	G	56 (67.5)	68 (68.0)	0.005, 0.930
	C	27 (32.5)	32 (32.0)
rs12487066	C	29 (34.9)	45 (45.0)	1.90, 0.160
	T	54 (65.1)	55 (55.0)
rs3135388	C	60 (72.3)	78 (78.0)	0.79, 0.370
	T	23 (27.7)	22 (22.0)
rs9657904	T	71 (85.5)	86 (86.0)	0.007, 0.920
	C	12 (14.5)	14 (14.0)

SNPs: single nucleotide polymorphisms.