Table 2.

PEDro scale of the included studies; * = was not counted for the final score; 1 = one point awarded; 0 = no point awarded

Study	Inclusion criteria	Random allocation	Concealed allocation	Similarity at baseline	Subject blinding	Therapist blinding	Assessor blinding	>85% follow-up	Intention to treat analysis	Between-group comparison	Point estimates and variability	Total
Smith et al. (2018)	1	1	0	1	1	0	0	1	1	1	1	7
Behara and Jacobson (2017)	1	1	0	1	1	0	0	1	1	1	1	7
Su et al. (2017)	1	1	0	1	1	0	0	1	1	1	1	7
Fairall et al. (2017)	1	1	0	1	0	0	0	1	1	1	1	6
Škarabot et al. (2015)	1	1	1	1	0	0	0	1	1	1	1	7
Lee et al. (2018)	1	1	0	1	1	0	0	1	1	1	1	7
Lyu et al. (2020)	1	1	0	1	1	0	0	1	1	1	1	7
Folli et al. (2021)	1	1	0	1	1	0	0	1	1	1	1	7
Penichet-Tomas et al. (2021)	1	0	0	1	0	0	0	1	1	1	0	4
Lopez-Samanes et al. (2021)	1	1	0	1	1	0	0	1	1	1	1	7
Connolly et al. (2020)	1	1	0	1	1	0	0	1	1	1	1	7
Zaky et al. (2021)	0	0	0	1	0	0	0	1	1	1	0	4
Krause et al. (2018)	1	1	0	1	0	0	0	1	1	1	1	6
Sagiroglu et al. (2017)	1	1	0	1	1	0	0	1	1	1	1	7
Halperin et al. (2014)	1	1	0	1	1	0	0	1	1	1	1	7
Monteiro et al. (2018)	1	1	0	1	0	0	1	1	1	1	0	6
Somers et al. (2020)	1	1	1	1	0	1	1	1	1	1	1	9
Smith et al. (2019)	0	1	1	1	0	1	1	1	0	1	0	7
Pepper et al. (2021)	1	1	0	1	0	1	1	1	1	1	0	7
Mohr et al. (2014)	1	1	0	1	0	0	0	1	1	1	1	6