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Results of ROB 2.0 tool for risk of bias assessment.
| Author (year) | Domain 1: randomization process | Domain 2: risk of bias due to deviations from the intended interventions | Domain 3: missing outcome data | Domain 4: measurement of the outcome | Domain 5: selection of the reported result | Overall |
|---|---|---|---|---|---|---|
| Iwata (2018) | Some concerns | Some concerns | Low risk | Low risk | Low risk | Some concerns |
|
| ||||||
| Singh (2017) | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk |
