Table 2: PEDro scale of quality for included trials.

StudyEligibility criteriaRandom allocationConcealed allocationSimilar at baselineSubjects blindedTherapists blindedAssessors blinded<15% dropoutsIntention-to-treat analysisBetween-group comparisonsPoint measures and variability dataTotal

Liang [13]110100011116
Pang et al. [20]110100011116
Chen et al. [21]110100011116
Huang [14]110100011116
Liu et al. [22]110100011116
Su and Lei [15]110100011116
Zhou [30]110100011116
Cai [16]110100011116
He et al. [23]111100111118
Liu [29]110100011116
Rong [27]110100011116
Wen [17]110100011116
Yuan et al. [28]111100011117
Ke and Li [24]100100011115
Wang et al. [31]110100011116
Yang et al. [25]010100011116
Zhang et al. [18]110100011116
Chen [32]110100011116
You and Zhou [19]010100011116
Zeng [26]100100011115

0: does not meet the criteria; 1: meets the criteria.