what is the risk of bias tool for retrospective studies, if any.
thanks but this not for retrospectives
Dear Heba
Please check the following links as there were two questions similar to your question in researchgate and the answers of these two questions may help you:
Is there a scale for access quality of retrospective studies to include in systematic review?
https://www.researchgate.net/post/Is_there_a_scale_for_access_quality_of_retrospective_studies_to_include_in_systematic_review
What is a valid tool to appraise risk of bias for observational studies
https://www.researchgate.net/post/What_is_a_valid_tool_to_appraise_risk_of_bias_for_observational_studies
Good Luck!
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