Table 3.
Quality assessment of randomized trials (ROB2).
| Study | Randomization process | Deviations from the intended interventions | Missing outcome data | Measurement of the outcome | Selection of the reported result | Overall bias |
|---|---|---|---|---|---|---|
| Collin et al. 17 | Some concerns | Low | Low | Low | Low | Some concerns |
| Vaney et al. 22 | Low | Low | Low | Low | Low | Low |
| Lus et al. 29 | Some concerns | Low | Some concerns | Low | Low | Some concerns |
| Corey-Bloom et al. 35 | Some concerns | Low | Low | Low | Low | Some concerns |
| Killestein et al.45 | Low | Low | Some concerns | Low | Low | Some concerns |