Correspondence to Dr Igho J Onakpoya, Nuffield Department of Primary Care Health Sciences, University of Oxford, Centre for Evidence-Based Medicine, Oxford OX2 6GG ...

Quantifying the time-varying association between objectively measured physical activity and mortality in US older adults over a 12-year follow-up period: the NHANES 2003–2006 study ...

Correspondence to Sir Iain Chalmers, James Lind Initiative, Summertown Pavilion, Middle Way, Oxford OX2 7LG, UK; ichalmers{at}jameslind.net We are surrounded by maelstroms of claims about the effects ...

A network meta-analysis combines the evidence from existing randomised trials about the comparative efficacy of multiple treatments. It allows direct and indirect evidence about each comparison to be ...

Correspondence to Dr Elaine Lehane, Catherine McAuley School of Nursing and Midwifery, University College Cork, Cork T12 K8AF, Ireland; e.lehane{at}ucc.ie To highlight and advance clinical ...

Correspondence to Dr Veronika Williams, Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK; veronika.williams{at}phc.ox.ac.uk Given its scope and its place ...

Correspondence to Professor John Brodersen, Centre of Research & Education in General Practice, Department of Public Health, University of Copenhagen, Faculty of Health Sciences, Copenhagen 1014, ...

Correspondence to Dr Mark H Ebell, Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, 125 Miller Hall, UGA Health Sciences Campus, Athens, GA 30602, USA; ...

Correspondence to Dr Zachary Munn, JBI, The University of Adelaide Faculty of Health and Medical Sciences, Adelaide, South Australia, Australia; zachary.munn{at}adelaide.edu.au We are concerned about ...

Correspondence to Melanie Ambler, Diane Weiss Center for Orthopaedic Trauma Research, Brown University Division of Biology and Medicine, Providence, Rhode Island, USA; ...

Objective To compare the prevalence of ‘spin’, and specific reporting strategies for spin, between infographics, abstracts and full texts of randomised controlled trials (RCTs) reporting ...

Correspondence to Dr Amy Keir, Women’s and Children’s Hospital, North Adelaide SA 5006, Australia; amy.keir{at}adelaide.edu.au We have attempted to do this in neonatology with the formation of a ...