High risk | Low risk | Unclear risk | |
---|---|---|---|
1. Was the allocation sequence adequately generated? | □ | □ | □ |
2. Was the allocation adequately concealed? | □ | □ | □ |
3. Were baseline outcome measurements similar? | □ | □ | □ |
4. Were baseline characteristics similar? | □ | □ | □ |
5. Were incomplete outcome data adequately addressed? | □ | □ | □ |
6. Was knowledge of the allocated interventions adequately prevented during the study? | □ | □ | □ |
7. Was the study adequately protected against contamination? | □ | □ | □ |
8. Was the study free from selective outcome reporting? | □ | □ | □ |
9. Was the study free from other risks of bias? | □ | □ | □ |