Table 1. Characteristics of the included studies that examined the association of PPARGC1A Gly482Ser polymorphism with sports performance.

K	First author [Reference]		Year	n	Country	Race	SP status	Clark-Baudouin score
1	Ahmetov [31]		2009	1	Russia	C	Endurance	7
2	Eynon [32]		2011	1	Israel	C	Power/Endurance	8
3	Gineviciene [16]		2011	1	Lithuania	C	Power/Endurance/Mixed	9
4	Gineviciene [33]		2012	1	Lithuania	C	Mixed	7
5	Gineviciene [17]		2016	2	Lithuania/Russia	C	Power	8
6	Grealy [20]		2015	1	Australia	C	Endurance	7
7	He [34]		2014	1	China	A	Endurance	5
8	Jin [18]		2014	1	Korea	A	Mixed	7
9	Lucia [15]		2005	1	Spain	C	Endurance	7
10	Maciejewska [19]		2012	2	Poland/Russia	C	Power/Endurance/Mixed	7
11	Maruszak [35]		2012	1	Poland	C	Power/Endurance	5
12	Muniesa [36]		2010	1	Spain	C	Endurance	7
13	Peplonska [37]		2016	1	Poland	C	Mixed	7
14	Yvert [38]		2016	1	Japan	A	Endurance	8

K: number designation of the article; n: number of studies; C: Caucasian; A: Asian; SP: sports performance