Table 2. Distribution of genotwypes and alleles from the studies included in the meta-analysis and HWE of controls.

	Cases	Control									HWE	MAF
	AA	AT	TT	A	T	AA	AT	TT	A	T
Study
rs2430561
Kalani et al. 18	20	75	27	115	129	23	48	32	94	112	0.55	0.46
Maghsood et al [29]	31	34	21	65	55	63	64	54	127	118	< 0.001	0.52
Al-Bashier [30]	11	25	31	47	87	2	10	28	14	66	0.32	0.18
	Cases	Control									HWE	MAF
	GG	GC	CC	G	C	GG	GC	CC	G	C
Study
rs187238
Kumar et al. [21]	128	63	13	319	89	136	112	19	384	150	0.65	0.72
Moravej et al. [22]	73	36	9	182	54	93	50	13	236	76	0.13	0.76
Ahmadpour et al. [23]	59	22	10	81	32	116	52	17	169	69	0.006	0.67
	Cases	Control									HWE	MAF
	GG	GA	AA	G	A	GG	GA	AA	G	A
Study
rs1800896
Kalani et al. [18]	16	44	60	76	164	19	33	50	71	113	0.004	0.35
Al-Bashier [30]	17	29	21	63	71	6	22	12	34	46	0.53	0.43
Ahmed et al. [35]	4	19	21	27	61	4	21	15	30	50	0.51	0.36
Hajilooi et al. [36]	8	102	0	118	102	35	142	10	212	162	< 0.001	0.57
	Cases	Control									HWE	MAF
	TT	TC	CC	T	C	TT	TC	CC	T	C
Study
rs1800871
Kalani et al. [18]	11	45	64	67	173	11	32	59	54	150	0.07	0.26
Hajilooi et al. [34]	2	96	2	100	100	28	140	22	184	196	< 0.001	0.52
Ahmed et al. [35]	11	14	19	36	52	6	15	19	27	53	0.30	0.34

HWE: Hardy-Weinberg equilibrium; MAF: minor allele frequency.