Table 2 Cochrane risk bias assessment tool for RCTs
Study | Allocation generation | Allocation concealment | Blinding of participants | Blinding of assessors | Outcome complete | Outcome selective | Other biases |
|---|---|---|---|---|---|---|---|
2011 Jacobs | Low | Low | Low | Low | Low | Low | Low |
2012 Nordseth | Unclear | Unclear | Unclear | Low | Low | Low | Low |
2018 Perkins | Low | Low | Low | Low | Low | Low | Low |