Ethnicity-Stratified Analysis of the Association between TNF-α Genetic Polymorphisms and Acute Kidney Injury: A Systematic Review and Meta-Analysis

Table 1

Characteristics of studies included in the meta-analysis.

First author, year	Country	Ethnicity	Number (cases/controls)	Case			Control			for HWE	Quality score
TNF-α rs1800629 G>A				GG	GA	AA	GG	GA	AA
Chang, 2013	China	Asian	53/453	39	12	2	387	62	4	0.393	8
Dalboni, 2013	Brazil	Caucasian	139/164	76	60	3	102	52	10	0.339	7
He, 2018	China	Asian	1138/1382	309	219	10	1226	152	4	0.756	7
András, 2002	Hungary	Caucasian	38/54	25	13	0	44	10	0	0.453	8
Vilander, 2019	Finland	Caucasian	1065/1582	781	260	24	1171	373	38	0.209	7
Cardinal-Fernandez, 2013	Spain	Caucasian	65/74	50	14	1	54	19	1	0.640	7
William, 2013	England	Caucasian	48/377	33	14	1	271	93	13	0.162	7
TNF-α rs1799964 T>C				TT	TC	CC	TT	TC	CC
Chang, 2013	China	Asian	53/450	33	16	4	285	146	19	0.956	8
He, 2018	China	Asian	1138/1382	676	395	67	894	437	51	0.790	7
Kamei, 2016	Japan	Asian	13/49	7	3	3	37	10	2	0.243	8

HWE: Hardy–Weinberg equilibrium.