Table 1
Assessment of the methodological quality (PEDro scale) of the articles included.
| C1 | C2 | C3 | C4 | C5 | C6 | C6 | C8 | C9 | C10 | C11 | Total | |
| Bateman et al. (2001) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Tang et al. (2016) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Khattab et al. (2020) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Studenski et al. (2005) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Kim and Yim (2017) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Ozdemir et al. (2001) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Quaney et al. (2009) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Immink et al. (2014) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Bo et al. (2019) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 8 |
| Note. C1: choice criteria were specified; C2: subjects were randomly assigned to groups (in a crossover study, subjects were randomised as they received treatments); C3: allocation was concealed; C4: groups were similar at baseline with regard to the most important prognostic indicators; C5: all subjects were blinded; C6: all therapists who administered therapy were blinded; C7: all assessors who measured at least one key ou come were blinded; C8: measures of at least one of the key outcomes were obtained from more than 85% of the subjects initially assigned to the groups; C9: results were presented for all subjects who received treatment or were assigned to the control group or, when this was not possible, data for at least one key outcome were analysed by intention-to-treat; C10: results of statistical comparisons between groups were reported for at least one key outcome; C11: the study provides point and variability measures for at least one key outcome. | ||||||||||||
