Table 2.
Methodological quality of the included studies.
| Included study | Random allocation | Concealed allocation | Similar baseline | Blinding of subjects | Blinding of therapists | Blinding of outcome assessment | Dropout rate ≤ 15% | Intention analysis | Between-group statistical comparisons | Point measures and measures of variability | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Agnes S. Chan 2013 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 7 |
| Ahmadreza Movahedi 2013 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 7 |
| Fatimah Bahrami 2015 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |
| Janice N. Phung 2019 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Jin-Gui Wang 2020 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Kelong Cai 2020 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Ke-Long Cai 2020 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Mirella Zanobini 2019 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 9 |
| Sabine C Koch2015 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 5 |
| Sixin Yang 2021 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 7 |
| Wenxin Xu 2019 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Mahboubeh G 2018 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Amir H.H 2022 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
| Supritha Aithal 2021 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 6 |
1 means that the item is met, and 0 means that the item is not met.