Associations between ERAP1 Gene Polymorphisms and Psoriasis Susceptibility: A Meta-Analysis of Case-Control Studies

Table 1

Main characteristics of included studies.

Study	Year	Country	Ethnicity	Case/control	Case		Control		HWE
					Mutant allele	Wild allele	Mutant allele	Wild allele
rs26653 (G/C)
Anamika	2017	India	Indian	911/1120	893	929	1030	1210	0.60
Andrzej	2018	Poland	Polish	461/454	252	670	256	652	0.02
Fu	2018	China	Han	143/149	141	145	122	176	>0.05
Josefin	2013	Sweden	Caucasian	1863/1748	1155	2571	909	2587	NA
Marta	2018	Poland	Polish	127/101	44	210	70	132	NA
rs30187 (C/T)
Anamika	2017	India	Indian	911/1120	911	911	941	1299	0.59
Andrzej	2018	Poland	Polish	461/454	311	611	302	606	0.67
Anne	2011	UK	Caucasian	76/5200	58	94	3432	6968	>0.05
Josefin	2013	Sweden	Caucasian	1863/1748	1416	2310	1189	2307	NA
Olivia	2016	Romania	Caucasian	88/139	69	107	89	189	>0.05
rs27524 (G/A)
Andrzej	2018	Poland	Polish	461/454	307	615	311	597	0.83
Bergboer	2012	Netherlands	Caucasian	215/450	172	258	295	605	>0.05
Fu	2018	China	Han	143/149	129	157	113	185	>0.05
Josefin	2013	Sweden	Caucasian	1863/1748	1453	2273	1259	2237	NA
Yang	2013	China	Han	974/1181	885	1063	945	1417	0.58

Note: HWE: Hardy-Weinberg equilibrium.