RCT studies | Risk of bias arising from the randomization process | Risk of bias due to deviations from the intended interventions (effect of assignment to intervention) | Risk of bias due to deviations from the intended interventions (effect of adhering to intervention) | Risk of bias due to missing outcome data | Risk of bias in measurement of the outcome | Risk of bias in selection of the reported result | Overall bias |
---|---|---|---|---|---|---|---|
De Sanctis (2019) [19] | HR | LR | HR | HR | HR | LR | HR |
Alkhouli (2021) [20] | LR | LR | LR | LR | LR | LR | LR |
Chitapanarux (2018) [18] | LR | LR | LR | LR | LR | LR | LR |
Piredda (2017) [17] | LR | LR | LR | LR | HR | LR | HR |