The EQ-5D-5L is a valid approach to measure health related quality of life in patients undergoing bariatric surgery

• Jilles M. Fermont,

  Roles Conceptualization, Formal analysis, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliations Department of Medicine, Experimental Medicine and Immunotherapeutics, University of Cambridge, Cambridge, United Kingdom, Department of Public Health & Primary Care, Cardiovascular Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom

  ⨯
• Jane M. Blazeby,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Resources, Visualization, Writing – original draft, Writing – review & editing

  Affiliations School of Social and Community Medicine, Centre for Surgical Research, University of Bristol, Bristol, United Kingdom, University Hospitals Bristol National Health Service Foundation Trust, Division of Surgery, Head and Neck, Bristol, United Kingdom

  ⨯
• Chris A. Rogers,

  Roles Conceptualization, Data curation, Funding acquisition, Methodology, Resources, Visualization, Writing – original draft, Writing – review & editing

  Affiliation School of Clinical Sciences, Clinical Trials and Evaluation Unit, University of Bristol, Bristol, United Kingdom

  ⨯
• Sarah Wordsworth ,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: sarah.wordsworth@dph.ox.ac.uk

  Affiliations Nuffield Department of Population Health, Health Economics Research Centre, University of Oxford, Oxford, United Kingdom, Oxford National Institute for Health Research Biomedical Research Centre, University of Oxford, Oxford, United Kingdom

  http://orcid.org/0000-0002-2361-3040

  ⨯
• on behalf of the By-Band-Sleeve Study Management Group

  ¶Membership of the By-Band-Sleeve Study Management Group is provided in the Acknowledgments.

  ⨯