Table 6 Risk of bias assessment for single arm and cluster randomized trials (Cochrane Collaboration’s tool)
Author and publication year | Bias arising from the randomization process | Bias arising from the timing of identification and recruitment of individual participants in relation to timing of randomization | Bias due to deviations from intended interventions | Bias due to missing outcome data | Bias in measurement of the outcome | Bias in selection of the reported result | Overall bias |
|---|---|---|---|---|---|---|---|
Bolarinwa et al. 2019 [59] | Low risk | - | Low risk | Low risk | Low risk | Low | Low risk |
Vedanthan et al. 2021 [56] | Low risk | Some concerns | High risk | Low risk | Low risk | Low risk | Some concerns |