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. 2019 Nov 27;2019(11):CD012631. doi: 10.1002/14651858.CD012631.pub2
Other bias risk
Low risk: the trial appears to be free of other components (e.g. academic bias or for‐profit bias) that could put it at risk of bias.
Unclear risk: the trial may or may not be free of other components that could put it at risk of bias.
High risk: there are other factors in the trial that could put it at risk of bias (e.g. authors have conducted trials on the same topic, for‐profit bias, etc.)
Grade
L / U / H
Support for judgement