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Risk of bias assessment for using Cochrane collaborative tool
| Study | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinded outcome assessment | Incomplete outcome data | Selective reporting | Other bias | Overall risk of bias |
|---|---|---|---|---|---|---|---|---|
| ARO-96-02 | Low | Low | High | High | Low | Low | Low | Low |
| EORTC 22911 | Low | Low | High | High | Low | Low | Moderate | Moderate |
| SWOG 8794 | Low | Low | High | High | Low | Low | High | High |
| FP-FINROG-0301 | Low | Low | High | High | Low | Low | Low | Low |
