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Risk of bias.
| Low (2) |
High (1) |
Unclear (0) |
Comment | |
|---|---|---|---|---|
| Adequate sequence generation | ☐ | ☐ | ☐ | |
| Allocation concealment | ☐ | ☐ | ☐ | |
| Blinding of participants and personnel | ☐ | ☐ | ☐ | |
| Blinding of outcome assessment | ☐ | ☐ | ☐ | |
| Incomplete outcome data addressed | ☐ | ☐ | ☐ | |
| Selective outcome reporting | ☐ | ☐ | ☐ | |
| Other sources of bias | ☐ | ☐ | ☐ |
