Risk of bias assessment
| Study’s first author | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias |
|---|---|---|---|---|---|---|---|
| Isler et al. [25] |  | |  | | | |  |
| Dias et al. [26] | | | | | | | |
| Ustaoglu et al. [27] | | | | | | | |
| Metin et al. [28] | | | | | | | |
| Pouremadi et al. [29] | | | | | | | |
| Heidari et al. [30] | | | | | | | |
| Yildiz and Gunpinar [31] | | | | | | | |
| Ozcelik et al. [32] | | | | | | | |
| Paschoal and Santos-Pinto [33] | | | | | | | |
| Demirturk-Gocgun et al. [34] | | | | | | | |
| da Silva Neves et al. [35] | | | | | | | |
| Sadighi et al. [36] | | | | | | | |
