Table 1.
PEDro methodological quality for the included studies
| Total PEDro score | Point estimates and variability | Between-group comparison | Intention to treat | Adequate follow-up | Blinded assessors | Blinded therapists | Blinded subjects | Baseline comparability | Concealed allocation | Random allocation | Eligibility criteria | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Li, Wei [81] | 5 | - | - | + | + | + | + | + | - | + | - | - |
| Lin, Yang [52] | 6 | - | - | + | + | + | + | - | - | + | - | - |
| Han [49] | 6 | - | - | + | + | + | + | - | - | + | - | - |
| Hosseini, Salehi Dehno [68] | 8 | - | - | + | - | - | + | - | - | + | - | - |
| Momeni-lari, Ghasemi [67] | 4 | - | + | + | + | + | + | - | - | + | + | - |
| Hopper, Grisbrook [80] | 6 | - | - | + | + | + | + | - | - | + | - | - |
| Simon, Garcia [57] | 6 | - | - | + | - | + | + | - | - | + | + | - |
| Chang, Cheng [66] | 6 | - | - | + | + | + | + | - | - | + | - | - |
| Chang, Wang [82] | 6 | - | - | + | + | + | + | - | - | + | - | - |
| Lee, Kwon [83] | 5 | - | - | + | + | + | + | + | - | + | - | - |
| Chang, Chou [65] | 6 | - | - | + | + | + | + | - | - | + | - | - |
+: bias present, -: bias absent