Journal article

Applying GRADE-CERQual to qualitative evidence synthesis findings-paper 5: how to assess adequacy of data

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



BACKGROUND: The GRADE-CERQual (Confidence in Evidence from Reviews of Qualitative research) approach has been developed by the GRADE (Grading of Recommendations Assessment, Development and Evaluation) working group. The approach has been developed to support the use of findings from qualitative evidence syntheses in decision-making, including guideline development and policy formulation. CERQual includes four components for assessing how much confidence to place in findings from reviews of qualitative research (also referred to as qualitative evidence syntheses): (1) methodological limitations; (2) coherence; (3) adequacy of data; and (4) relevance. This paper is part of a series providing g..

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Funding Acknowledgements

This work, including the publication charge for this article, was supported by 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 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.