TABLE 3.
RoB2 assessment for included studies.
| Domain | Description | Study 1 | Study 2 | Study 3 |
|---|---|---|---|---|
| Matzneller et al | NCT01048866 | NCT01049334 | ||
| 1 | Risk of bias arising from the randomisation process | Low risk | Low risk | Low risk |
| 2 | Risk of bias due to deviations from the intended interventions (effect of assignment to intervention) | Low risk | Low risk | Low risk |
| 3 | Missing outcome data | Low risk | Low risk | Low risk |
| 4 | Risk of bias in measurement of outcome | Low risk | Low risk | Low risk |
| 5 | Risk of bias in the selection of the reported result | Some concerns | Some concerns | Some concerns |
| Overall risk of bias | Some concerns | Some concerns | Some concerns | |