Table 2. PEDro scores for the selected studies.

Study	Item 1	Item 2	Item 3	Item 4	Item 5	Item 6	Item 7	Item 8	Item 9	Item 10	Item 11	Total score
Katsuura et al. [30]	0	0	0	1	0	0	0	1	1	1	1	5
Leung et al. [16]	0	0	1	0	1	1	1	1	1	1	1	8
Worobets et al [31]	0	0	0	0	0	0	0	1	1	1	0	3
Cian et al. [32]	1	0	0	0	1	1	1	1	1	1	1	7
Mantegazza et al. [33]	0	1	1	0	1	1	1	1	1	1	1	9
Furlan et al. [34]	1	0	0	0	1	0	0	1	1	1	1	5
Loturco et al. [35]	1	0	1	1	1	1	1	0	1	1	1	8
Zinke et al. [36]	1	0	0	1	1	0	0	0	1	1	1	5
Black et al. [37]	1	1	1	1	1	1	1	0	1	1	1	9
Nunes et al. [38]	1	1	1	1	1	1	1	0	1	1	1	9
Nunes et al. [39]	1	1	1	1	1	1	1	0	1	1	1	9