Table 1.

Demographic characteristics of included studies.

No.	Author	Year	Initial sample size (cases/controls)	Ethnicity	Extracted SNPs (n)	Matched bins (n)
1	Bandre-Ciga	2016	240/192	Caucasian	28	21
2	Beecham*	2013	484/1.145	Caucasian	1	1
3	Davis*	2013	31/767	Amish	3	3
4	Do	2011	3.426/29.624	Caucasian	390	65
5	Edwards	2010	604/619	Caucasian	72	33
6	Foo	2016	779/13.227	East Asian (Han Chinese)	96	32
7	Fung	2006	267/270	Caucasian	26	17
8	Hamza	2010	2.000/1.986	Caucasian	89	16
9	Hu Y	2015	250/250	Chinese	22	21
10	Liu	2011	268/178	Ashkenazi	55	32
11	Pickrell	2016	9.619/324.522	Caucasian	25	20
12	Saad	2010	1.039/1.984	Caucasian	50	21
13	Satake*	2009	988/2.521	Japanese	20	4
14	Simon-Sanchez	2009	1.713/3.978	Caucasian	345	87
15	Simon-Sanchez	2011	772/2.024	Caucasian	30	8
16	Spencer	2010	1.705/5.175	Caucasian	55	24
17	Vacic*	2014	1.130/2.611	Ashkenazi	4	4
18	Maraganore	2005	381/363	Caucasian	190059	120
19	Chang	2017	6.476/302.042	Caucasian	27	26
	Total		32208/693847		191397 **(191369)	555 **(543)

^*Studies removed due to large number of missing values.

^**The included data set.