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

First author	Year	Country	Ethnicity	Sample size (Case/Control)	MI			Control			MAF	HWE of control
					GG	GT	TT	GG	GT	TT
Shimasaki et al [15]	1998	Japan	Asian	285/607	225	59	1	526	80	1	0.068	0.254
Hibi et al [16]	1998	Japan	Asian	226/357	189	32	5	295	62	0	0.087	0.072
Cai et al [17]	1998	Australia	Caucasian	95/478	54	35	6	244	197	37	0.283	0.751
Poirier et al [18]	1999	France	Caucasian	368/421	163	156	49	148	219	54	0.388	0.051
Poirier et al [18]	1999	Northern Ireland	Caucasian	163/155	55	76	32	58	72	25	0.394	0.738
Hingorani et al [19]	1999	United Kingdom	Caucasian	249/183	97	107	45	86	81	16	0.309	0.617
Cai et al [20]	1999	Australia	Caucasian	306/457	134	137	35	220	182	55	0.319	0.072
Song et al [21]	2000	China	Asian	114/104	89	18	7	90	13	1	0.072	0.501
Wang et al [22]	2001	Taiwan	Asian	114/218	97	17	0	177	38	3	0.101	0.560
Gardemann et al [23]	2002	Germany	Caucasian	1277/533	565	561	151	256	227	50	0.307	0.975
Wei et al [24]	2002	China	Asian	51/108	40	9	2	98	10	0	0.046	0.614
Aras et al [25]	2002	Turkey	Caucasian	76/117	43	28	5	60	48	9	0.282	0.888
Qi et al [26]	2003	China	Asian	107/81	82	16	9	68	13	0	0.080	0.432
Schmoelzer et al [27]	2003	Austria	Caucasian	126/248	60	54	12	121	102	25	0.306	0.609
Agema et al [28]	2004	Netherlands	Caucasian	356/574	174	157	25	216	270	88	0.389	0.811
Zhan et al [29]	2005	China	Asian	37/172	25	12	0	141	31	0	0.090	0.194
Antoniades et al [30]	2005	Greece	Caucasian	228/519	97	99	32	255	217	47	0.300	0.932
Yu et al [31]	2006	China	Asian	120/264	98	22	0	237	26	1	0.053	0.752
Chao et al [32]	2006	China	Asian	41/150	25	11	5	119	29	2	0.110	0.877
Jo et al [33]	2006	Korea	Asian	129/803	104	23	2	667	131	5	0.088	0.600
Sampaio et al [34]	2007	Brazil	Mixed	115/104	56	46	13	52	45	7	0.284	0.509
Andrikopoulos et al [35]	2008	Greece	Caucasian	1602/727	722	701	179	352	297	78	0.312	0.199
Odeberg et al [36]	2008	Sweden	Caucasian	318/85	179	121	18	43	32	10	0.306	0.296
Vasilakou et al [37]	2008	Greece	Caucasian	49/161	30	16	3	76	74	11	0.298	0.212
Gluba et al [38]	2009	Poland	Caucasian	278/134	140	118	20	62	61	11	0.311	0.454
Szabó et al [39]	2009	Hungary	Caucasian	118/384	39	58	21	200	161	23	0.270	0.204
Isordia-Salas et al [40]	2010	Mexico	Mixed	180/180	104	62	14	134	42	4	0.139	0.742
Angeline et al [41]	2010	India	Asian	100/100	56	30	14	67	31	2	0.175	0.462
Dafni et al [42]	2010	Greece	Caucasian	204/218	83	94	27	108	95	15	0.287	0.334
Katakami et al [43]	2010	Japan	Asian	226/3593	182	43	1	3045	533	15	0.078	0.103
Gad et al [44]	2012	Egypt	Caucasian	104/101	52	47	5	59	34	8	0.248	0.333
Zigra et al [45]	2013	Greece	Caucasian	107/103	50	46	11	50	42	11	0.312	0.626
Narne et al [46]	2013	India	Asian	73/121	42	29	2	84	35	2	0.162	0.442
Arun et al [47]	2013	India	Asian	287/279	213	62	12	190	82	7	0.172	0.597

MI: Myocardial infarction; MAF: minor allele frequency; HWE: Hardy-Weinberg equilibrium.