Table 1.

Main Characteristics of All Studies Included in the Meta-Analysis.

First author	Country (Ethnicity)	Case/Control	Cases					Controls					HWE
			Genotype			Allele		Genotype			Allele
			CC	CT	TT	C	T	CC	CT	TT	C	T
Jin et al. 2015	China (Asian)	148/296	77	71				173	125
Guo et al. 2015	China (Asian)	136/136	54	55	27	163	109	70	52	14	192	80	0.355
Yang et al. 2015	China (Asian)	152/304	66	63	22	195	107	166	117	21	449	159	0.95
Goričar et al. 2015	Slovenia (Caucasian)	79/373	39	40				153	220