Table 2 Risk of bias summary for each included study
Study | Selection bias | Performance bias | Detection bias | Attrition bias | Reporting bias | Other bias |
|---|---|---|---|---|---|---|
Cameron 2017 (TACT2) | Low | Low | Low | Low | High | Low |
Baldini 2003 | Low | Low | Low | Low | Low | Low |
Citron 2003/Hudis 2005 (CALGB 9741) | Unclear | Low | Low | Low | Low | Low |
Venturini 2005/Giraudi 2016 (MIG-1) | Low | Low | Low | Low | Low | Low |
Mastro 2015 (GIM2) | Low | Low | Low | Low | Low | low |