Table 2 Risk of bias among randomized controlled trials (Cochrane Collaboration)
Author, Year | Random Sequence Generation | Allocation Concealment | Blinding of Participants and Personnel | Blinding of outcome assessment | Incomplete Outcome Data | Selective Reporting | Other Bias |
|---|---|---|---|---|---|---|---|
Abt et al. 2021 [9] | Low | Low | Low | High | Low | Low | High |
Carnevale et al. 2016 [10] | Unclear | Unclear | Unclear | High | Low | Low | High |
Gao et al. 2014 [11] | Low | High | Low | High | Low | High | High |
Insausti et al. 2020 [12] | Low | Unclear | Low | High | Low | Low | High |
Radwan et al. 2020 [23] | Unclear | Low | High | High | Low | High | Low |