Table 2.

Quality appraisal of the selected articles.

Study	Blind process	Description of baseline data	Dropout	Point estimate and variability	Overall quality appraisal score
Takeuchi et al. [19]	2	1	0	0	3
Fregni et al. [26]	2	1	0	1	4
Liepert et al. [24]	2	0	0	1	3
Takeuchi et al. [18]	2	1	0	0	3
Dafotakis et al. [20]	0	1	0	1	2
Nowak et al. [27]	0	1	0	1	2
Khedr et al. [10]	2	1	0	1	4
Emara et al. [8]	2	1	0	1	4
Theilig et al. [15]	2	1	0	0	3
Takeuchi et al. [17]	1	1	0	1	3
Conforto et al. [21]	2	1	1	0	2
Seniow et al. [30]	2	1	7	0	2
Sasaki et al. [9]	0	1	0	0	1
Higgins et al. [22]	1	1	2	0	1
Sung et al. [28]	2	1	0	1	4
Wang et al. [32]	2	1	0	1	4
Rose et al. [23]	2	1	3	0	2
Galvão et al. [31]	2	1	0	0	3
Ludemann-Podubecka et al. [29]	2	1	0	0	3
Zheng et al. [33]	2	1	4	0	2
Matsuura et al. [25]	2	1	0	1	4
Du et al. [34]	2	1	0	1	4

In the case of any dropout, the total score will be subtracted by 1.