Table 2.

The PEDro quality assessment of the included studies. Eligibility criteria did not contribute to the total score: 1 = yes (reported in study), 0 = no (not met)

Quality metric	Widmer et al.	Dorje et al.	Lee et al.	Fang et al.	Li et al.
Eligibility criteria	Yes	Yes	Yes	Yes	Yes
Random allocation	Yes	Yes	Yes	Yes	Yes
Concealed allocation	No	Yes	No	No	Yes
Baseline comparability	Yes	Yes	Yes	Yes	Yes
Blinded subjects	No	No	No	No	No
Blinded therapists	No	No	No	No	No
Blinded assessors	Yes	Yes	Yes	Yes	Yes
Adequate follow up	Yes	Yes	Yes	Yes	Yes
Intention-to-treat analysis	No	Yes	No	No	No
Between-group comparisons	Yes	Yes	Yes	Yes	Yes
Point estimates and variability	Yes	Yes	Yes	Yes	Yes
Total score	6	8	6	6	7