Table 2. Genotypic distribution of TNF-α -308G > A gene polymorphism included in the present meta-analysis.

Authors and year	Controls				Cases				HWE
	Genotype			Minor allele	Genotype			Minor allele
	GG	GA	AA	MAF	GG	GA	AA	MAF	p-value
Rossi et al.14	206	58	3	0.11	107	117	20	0.32	0.62
deAlbuquerque et al.15	42	46	8	0.32	100	63	29	0.31	0.34
Kekik et al.16	15	78	0	0.41	16	14	3	0.30	0.01
Capilla et al.17	191	60	5	0.13	90	44	10	0.22	0.90
Hermann et al.18	148	118	11	0.25	8	9	2	0.34	0.03
Barisani et al.19	157	44	1	0.11	85	55	15	0.27	0.25
Garrote et al.20	72	26	1	0.14	31	18	1	0.2	0.41
Lio et al.21	163	53	4	0.13	61	34	15	0.29	0.89
Cataldo et al.22	73	22	1	0.12	44	12	12	0.26	0.64
Hahn zoric et al.23	70	27	6	0.18	23	44	22	0.49	0.13
Garrote et al.24	51	14	0	0.10	20	23	2	0.30	0.33

MAF: Minor Allele Frequency; HWE: Hardy Weinberg Equilibrium.