Table 3. Genotypes and allele frequencies of tested samples in this study.

	genotype	N (n = 186)	Frequency (%)	Expected genotype frequency under HWE(%)	HapMap frequency HCB (%)	Allelea	Allele frequency (%)	HW (p-value)b
rs4784227	CC	93	50.00	51.52	66.7	C	71.77	0.31
	CT	81	43.55	40.52	24.4	T	28.23
	TT	12	6.45	7.97	8.9
rs1219648	AA	66	35.48	34.66	40	A	58.87	0.64
	AG	87	46.77	48.43	46.7	G	41.13
	GG	33	17.74	16.92	13.3
rs3803662	CC	13	6.99	8.59	6.7	C	29.30	0.29
	CT	83	44.62	41.43	44.4	T	70.70
	TT	90	48.39	49.98	48.9
rs889312	CC	41	22.04	22.64	27.3	C	47.58	0.74
	AC	95	51.08	49.88	45.5	A	52.42
	AA	50	26.88	27.48	27.3
rs750749	TT	143	76.88	77.74	80	T	88.17	0.26
	CT	42	22.58	20.86	17.8	C	11.83
	CC	1	0.54	1.40	2.2
rs749292	GG	62	33.33	30.07	8.9	G	54.84	0.07
	GA	80	43.01	49.53	55.6	A	45.16
	AA	44	23.66	20.40	35.6

^aincreased risk allele in bold

^b p value was calculated using chi test