Table 2 Risk of bias assessment for the randomized controlled studies included in this meta-analysis
Study | Bleasdale et al. [24] | Climo et al. [12] | Huang et al. [13] | Camus et al. [25] | Noto et al. [16] |
|---|---|---|---|---|---|
Adequate sequence generation? | Low | Unclear | Low | Unclear | Low |
Allocation concealment? | Low | Low | Low | Low | Low |
Blinding of participants and personnel? | High | High | Unclear | Low | High |
Blinding of outcome assessment? | Low | High | Low | Low | Low |
Incomplete outcome data addressed? | Low | Low | Low | Low | Low |
Free of selective reporting? | Low | Low | Low | Low | Low |
Free of potential bias relevant industrial funding? | High | High | Low | High | Low |