Table 2. Distribution of VDR BsmI gene polymorphism of studies included in the present meta-analysis.

Authors, year of publication, and Refs.	Control				Case				HWE
	Genotype			Minor allele	Genotype			Minor allele
	BB	Bb	bb	MAF	BB	Bb	bb	MAF	p-value
Salimi et al. (2015) [16]	39	70	22	0.43	31	66	23	0.46	0.31
Joshi et al. (2014) [17]	55	37	23	0.36	35	58	17	0.41	0.00
Sinaga et al. (2014) [18]	2	18	56	0.85	0	52	24	0.65	0.70
Rathored et al. (2012) [19]	51	108	46	0.48	72	204	142	0.58	0.43
Singh et al. (2011) [20]	57	134	34	0.44	32	52	17	0.42	0.00
Kang et al. (2011) [21]	0	8	75	0.95	2	13	135	0.94	0.64
Sharma et al. (2011) [22]	274	734	211	0.47	60	89	37	0.43	0.00
Banoei et al. (2010) [23]	31	26	5	0.29	13	27	20	0.55	0.88
Marashian et al. (2010) [24]	0	29	21	0.71	23	86	55	0.59	0.00
Alagarasu et al. (2009) [25]	39	62	45	0.52	37	39	27	0.45	0.07
Selvaraj et al. (2009) [26]	16	23	21	0.54	27	22	16	0.41	0.07
Vidyarani et al. (2009) [27]	15	13	21	0.56	16	14	10	0.42	0.00
Merza et al. (2009) [28]	13	21	26	0.60	7	67	43	0.65	0.03
Selvaraj et al. (2008) [29]	16	17	27	0.59	23	16	12	0.39	0.00
Olesen et al. (2007) [30]	38	152	152	0.66	33	141	146	0.67	1.00
Bornman et al. (2004) [31]	39	208	387	0.77	20	108	215	0.78	0.12
Selvaraj et al. (2004) [32]	18	27	19	0.50	16	24	6	0.39	0.21
Selvaraj et al. (2003) [33]	32	29	19	0.41	42	56	22	0.41	0.02
Fibla et al. (2002) [34]	15	80	41	0.59	3	32	13	0.60	0.00

Abbreviation: MAF, minor allele frequency.