Table 2. Assessment of risk of bias and methodological quality.
| ROBIS | AMSTAR 2 | |
|---|---|---|
| Aceves-Martins, et al.32(2022) | High | Critically Low |
| Silveira, et al.31(2022) | High | Critically Low |
| Singh, et al.30 (2022) | High | Critically Low |
| Alotaib, et al.20 (2020) | High | Critically Low |
| Alshehri, et al.21 (2020) | High | Critically Low |
| Chanchala, et al.17 (2020) | High | Critically Low |
| Manohar, et al.18 (2020) | Low | Low |
| Singh and Purohit23 (2020 | Low | Critically Low |
| Angelopoulou, et al.22 (2019) | High | Low |
| Paisi, et al.24 (2019) | High | Critically Low |
| Chen, et al.10 (2018 | High | Critically Low |
| Shivakumar, et al.19 (2018) | High | Critically Low |
| Li, et al.25 (2015) | High | Critically Low |
| González Martínez, et al.27 (2014) | High | Critically Low |
| Gonzalez Muñoz26 (2013) | High | Critically Low |
| Hayden, et al.28 (2013) | High | Critically Low |
| Silva, et al.29 (2013) | High | Critically Low |
| Hooley, et al.9 (2012) | High | Critically Low |
| Kantovitz, et al.8 (2006) | High | Critically Low |