Table 2.
Cochrane Collaboration’s tool for evaluation risk of bias in included studies.
| Author | Year | V1 | V2 | V3 | V4 | V5 | V6 | V7 |
|---|---|---|---|---|---|---|---|---|
| Rodney P. Rocconi | 2021 | Low | Low | Low | Low | Low | Low | Low |
| Rodney P. Rocconi | 2021 (1) | Unclear | Unclear | Unclear | Low | Low | Unclear | Low |
| Adam Walter | 2021 | Low | Low | Low | Low | Low | Low | Low |
| Jonathan Oh | 2016 | Low | Unclear | Low | Low | Low | Low | Low |
| Neil Senzer | 2012 | Unclear | Unclear | Low | Low | Low | Unclear | Low |
| Rodney P. Rocconi | 2020 | Low | Low | Low | Low | Low | Low | Low |
| Rodney P. Rocconi | 2021 (2) | Low | Low | Low | Low | Low | Low | Low |
V1, random sequence generation; V2, allocation concealment; V3, blinding of participants and personnel; V4, blinding of outcome assessment; V5, incomplete outcome data; V6, selective reporting; V7, other bias.