Table I.

PEDro score of included studies.

Study	Eligibility criteria	Randomized allocation	Concealed allocation	Baseline comparability	Blinded participants	Blinded therapists	Blinded assessors	Adequate follow-up	Intention-to-treat analysis	Between-group comparisons	Point estimates and variability	Total score
Chen et al 13	1	1	0	0	1	0	0	0	0	1	1	5
Zheng et al 14	1	1	1	1	0	0	0	1	0	1	1	7
Huang et al 15	1	1	0	1	0	0	0	1	1	1	1	7
You et al 16	0	1	0	1	0	0	0	1	1	1	1	6
Kong et al 17	1	1	1	1	1	0	0	1	1	1	1	9
Shuang et al 18	0	1	0	1	0	0	0	1	1	1	1	6
Zhang et al 19	0	1	0	1	0	0	0	1	1	1	1	6
Maini et al 20	1	1	0	0	0	0	0	1	1	1	0	5
Zheng et al 21	1	1	0	1	0	0	0	1	1	1	1	7
Yang et al 22	0	1	0	0	0	0	0	1	1	1	1	5
Zheng et al 23	1	1	0	1	0	0	0	1	1	1	1	7
Hu et al 24	1	1	0	0	0	0	0	1	1	1	1	6
Feng et al 25	1	1	1	1	0	0	1	1	1	1	1	9
Merc et al 26	0	0	0	0	0	0	0	1	1	1	1	4
Wu et al 27	1	1	0	1	0	0	0	1	1	1	1	7
Hasan et al 28	1	1	1	1	1	0	0	1	1	1	1	9
Zhang et al 29	1	1	0	0	1	0	0	1	1	1	1	7
Sun et al 30	1	1	0	1	1	0	0	1	1	1	1	8
Du et al 31	0	0	0	0	0	0	0	1	1	1	1	4
Wei et al 32	1	1	0	1	0	1	0	1	1	1	1	8
Yin et al 33	0	1	0	1	0	0	0	1	1	1	1	6