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| Author | Risk of bias | Applicability concerns | ||||||
|---|---|---|---|---|---|---|---|---|
| Patients selection | Index test | Reference | Flow and timing | Patients selection | Index test | Reference | ||
| Santarelli (20) | High | High | Low | High | Low | Low | Low | |
| Tomasetti (21) | High | High | Low | High | High | Low | Low | |
| Santarelli (22) | High | High | Low | High | High | Low | Low | |
| Weber (23) | High | High | Unknown | Unknown | Low | Low | Low | |
