Journal article

Applying GRADE-CERQual to qualitative evidence synthesis findings: introduction to the series

Simon Lewin, Andrew Booth, Claire Glenton, Heather Munthe-Kaas, Arash Rashidian, Megan Wainwright, Meghan A Bohren, Ozge Tuncalp, Christopher J Colvin, Ruth Garside, Benedicte Carlsen, Etienne V Langlois, Jane Noyes



The GRADE-CERQual ('Confidence in the Evidence from Reviews of Qualitative research') approach provides guidance for assessing how much confidence to place in findings from systematic reviews of qualitative research (or qualitative evidence syntheses). The approach has been developed to support the use of findings from qualitative evidence syntheses in decision-making, including guideline development and policy formulation. Confidence in the evidence from qualitative evidence syntheses is an assessment of the extent to which a review finding is a reasonable representation of the phenomenon of interest. CERQual provides a systematic and transparent framework for assessing confidence in indivi..

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Awarded by Department for International Development (DFID)

Funding Acknowledgements

This work, including the publication charge for this article, was supported by a funding from the Alliance for Health Policy and Systems Research, WHO ( Additional funding was provided by the Department of Reproductive Health and Research, WHO (; Norad (Norwegian Agency for Development Cooperation:; the Research Council of Norway (; and the Cochrane Methods Innovation Fund. SL is supported by a funding from the South African Medical Research Council ( The funders had no role in the study design, data collection and analysis, preparation of the manuscript, or the decision to publish.