Table 2.
Physiotherapy Evidence Database (PEDro) scale was used for the quality evaluation of the included studies.
| Study | Random allocation | Concealed allocation | Baseline comparability | Blind subject | Blind clinician | Blind assessor | Adequate follow-up | Intention-to-treat analysis | Between-group analysis | Point estimates and variability | Total score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sun et al. [21] | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 6 |
| Goyal et al. [20] | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 5 |
| Khallaf et al. [22] | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 7 |
| Cho et al. [2] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 8 |
| Yoon et al. [19] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 8 |
| Ghorai et al. [18] | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 7 |
| Shin and Lee [17] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 8 |
| Oh et al. [16] | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 7 |
| Rizk et al. [15] | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 9 |