Table II.

Distribution of gene polymorphism of studies included in the meta-analysis

Year	First author	Case				Control
		Genotype			Minor allele	Genotype			Minor allele	HWE
		FF	Ff	ff	MAF	FF	Ff	ff	MAF	P-value
2014	Arji	151	103	20	0.26	109	82	12	0.26	0.5038
2014	Mahmoud	12	20	8	0.45	10	10	5	0.4	0.404
2014	Sinaga	27	42	7	0.37	30	34	12	0.38	0.6497
2013	Fang	72	96	45	0.44	101	88	22	0.31	0.6642
2013	Joshi	51	46	13	0.33	118	85	22	0.29	0.252
2012	Rathored	319	298	75	0.32	118	80	7	0.23	0.1356
2011	Kim	47	75	38	0.47	46	73	37	0.47	0.4463
2011	Kang	30	58	15	0.43	41	43	21	0.40	0.1240
2011	Singh	55	40	6	0.26	96	110	19	0.33	0.1069
2011	Sharma	77	67	10	0.28	395	197	36	0.21	0.0880
2011	Ates	58	60	10	0.31	35	37	8	0.33	0.6945
2010	Marashian	97	57	10	0.23	15	30	5	0.40	0.0771
2010	Zhang	16	43	51	0.66	26	47	29	0.51	0.4330
2009	Banoei	30	21	9	0.33	29	27	6	0.31	0.9375
2009	Merza	67	46	4	0.23	35	25	0	0.21	0.0415
2009	Vidyarani	23	14	3	0.25	20	29	0	0.30	0.0033
2009	Selvaraj	33	29	3	0.27	33	26	1	0.23	0.1019
2009	Alagarasu	138	66	13	0.21	81	59	4	0.23	0.0766
2008	Selvaraj	31	16	4	0.24	27	33	0	0.28	0.0033
2008	Liu	16	25	19	0.53	11	17	2	0.35	0.1789
2007	Wilbur	35	19	0	0.18	81	42	1	0.18	0.0740
2007	Olesen	198	106	16	0.22	207	118	19	0.23	0.6862
2007	Babb	132	104	13	0.26	203	129	20	0.24	0.9337
2007	Soborg	288	128	19	0.19	267	128	21	0.20	0.2734
2006	Chen	60	56	24	0.37	70	60	9	0.28	0.4144
2006	Lombard	43	21	2	0.19	64	18	2	0.13	0.5917
2004	Bornman	258	138	20	0.21	444	242	32	0.21	0.8932
2004	Selvaraja	47	15	2	0.15	55	39	9	0.28	0.5834
2004	Selvarajb	28	15	3	0.23	38	23	3	0.23	0.8388
2004	Roth	9	32	59	0.75	14	78	109	0.74	0.9928
2004	Liu	29	63	28	0.50	85	120	35	0.40	0.4821
2004	Liu W	29	34	13	0.39	90	70	11	0.27	0.5930
2003	Selvaraj	78	36	6	0.20	43	29	8	0.28	0.3551
2000	Wilkinson	52	31	8	0.26	74	39	3	0.19	0.4178

HWE – Hardy-Weinberg equilibrium, MAF – minor allele frequency

^a,bthe different articles by the same author in the same year.