Molecular Vision: Zhang, Mol Vis 2013; 19:1913-1924. Table 1

Table 1. Characteristics of individual studies included in the meta-analysis

First author	Year	Population	Ethnicity	Case	Control	Genotyping methods	Association		HWE (p value)
First author	Year	Population	Ethnicity	Case	Control	Genotyping methods	P value (allelic contrast)
Lee	2003	Korean	Asian	94	94	PCR-SSP	TNF −308A/G	NS	0.667
Duymaz-Tozkir	2003	Turkish	Caucasian	99	96	PCR-RFLP	TNF −308A/G	NS	0.806
							TNF −376A/G	NS	0.793
Ates	2006	Turkish	Caucasian	107	102	PCR	TNF −308A/G	NS	0.254
							TNF −238A/G	NS	0.76
							TNF −376A/G	NS	0.88
Akman	2006	Turkish	Caucasian	99	103	PCR-RFLP	TNF −1031C/T	p=0.018	0.084
Park	2006	Korean	Asian	254	344	PCR-RFLP	TNF −308A/G	p=0.010	0.988
							TNF −238A/G	NS	0.175
							TNF −1031C/T	p=0.030	0.354
							TNF −857T/C	NS	0.456
							TNF −863A/C	p=0.008	0.382
Chang	2007	Korean	Asian	115	114	PCR	TNF −308A/G	NS	0.332
							TNF −238A/G	NS	0.735
							TNF −1031C/T	NS	0.666
							TNF −857T/C	NS	0.284
							TNF −863A/C	NS	0.873
Alayli	2007	Turkish	Caucasian	80	105	PCR-SSP	TNF −238A/G	p=0.001	0.264
Kamoun	2007	Tunisian	African	89	157	PCR-RFLP	TNF −1031C/T	p=0.015	0.99
Storz(1)	2008	German	Caucasian	92	51	PCR	TNF −238A/G	NS	0.599
Storz(2)	2008	Turkish	Caucasian	30	20	PCR	TNF −238A/G	NS	0.814
Akman	2008	Turkish	Caucasian	82	77	PCR	TNF −1031C/T	p=0.023	0.595
Arayssi	2008	Lebanese	Asian	48	90	NA	TNF −308A/G	NS	0.707
							TNF −238A/G	NS	0.701
							TNF −1031C/T	NS	0.068
							TNF −857T/C	NS	0.657
Dilek	2009	Turkish	Caucasian	97	127	PCR-SSP	TNF −308A/G	NS	0.1
Bonyadi	2009	Turkish	Caucasian	53	79	PCR-RFLP	TNF −308A/G	NS	0.277
							TNF −1031C/T	p<0.001	0.909
Ates	2010	Turkish	Caucasian	102	102	ARMS-PCR	TNF −308A/G	NS	0.359
Amirzargar	2010	Iranian	Asian	147	137	PCR-SSP	TNF −308A/G	NS	0.052
Radouane	2012	Moroccan	African	120	112	PCR	TNF −308A/G	NS	0.521
							TNF −238A/G	NS	0.448
							TNF −857T/C	NS	0.355
							TNF −863A/C	NS	0.147
							TNF −376A/G	NS	0.658