Table 3: PEDro scale of quality for included trials.

StudyEligibility criteriaRandom allocationConcealed allocationSimilar at baselineSubjects blindedTherapists blindedAssessors blinded<15% dropoutsIntention-
to-treat analysis
Between-
group
comparisons
Point measures and variability dataTotal

Irnich et al. [17] 110100111117
Cen et al. [18] 110100110116
Fryer and Hodgson [19]110010101116
Meseguer et al. [20]110101111118
Zaproudina et al. [21]111111110119
Blikstad and Gemmell [22]111110100106
Zuo et al. [23]110100111117
Sherman et al. [24]111100111118
Jiang [25]110100011116
Madson et al. [26]111100111118
Liu [27]111100011117
Zhang et al. [28] 111100011117
Lin et al. [29]111100010116
Wang et al. [30]110100011116
Topolska et al. [31]110000011115

0: did not meet the criteria; 1: met the criteria.