Reference | Random sequence generation | Allocation concealment | Selective reporting | Other sources of bias | Blinding (participants and personnel) | Blinding (outcome assessment) | Incomplete outcome data |
---|---|---|---|---|---|---|---|
Castoldi et al. [1] | High Risk | Low Risk | Unclear | Unclear | High Risk | Low Risk | Low Risk |
Ibrahim et al. [26] | High Risk | High Risk | Low Risk | Unclear | High Risk | Low Risk | Low Risk |
Hamido et al. [18] | Low Risk | Low Risk | Low Risk | Unclear | High Risk | Low Risk | Low Risk |
Porter et al. [45] | Low Risk | Low Risk | Low Risk | Unclear | High Risk | Low Risk | Low Risk |
Getgood et al. [14] | Low Risk | Low Risk | Low Risk | Unclear | High Risk | Low Risk | Low Risk |