Table 2.

PEDro scores of the included studies.

References	Eligibility criteria	Random allocation	Concealed allocation	Similar baseline	Blinding subjects	Blinding therapists	Blinding assessors	Dropout <15%	Intention to treat	Between-group statistics	Point measures	Total score
Jung et al. (2020)	Yes	Yes	No	Yes	No	No	No	Yes	No	Yes	Yes	5
Cakmakçi (2011)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Gorji et al. (2015)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Savkin and Aslan (2016)	Yes	Yes	Yes	Yes	No	No	No	Yes	No	Yes	Yes	6
Wong et al. (2020)	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	8
Gorji et al. (2014)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Khajehlandi et al. (2018)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Chaudhary (2016)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Tyagi and Kumar (2020)	Yes	Yes	No	Yes	No	No	No	Yes	Yes	Yes	Yes	6
Khormizi and Azarniveh (2017)	Yes	Yes	No	Yes	No	No	Yes	Yes	Yes	Yes	Yes	7
Chen J. et al. (2020)	Yes	Yes	No	Yes	No	No	No	Yes	No	Yes	Yes	5

PEDro, physiotherapy evidence database scale.