Design considerations and analysis planning of a phase 2a proof of concept study in rheumatoid arthritis in the presence of possible non-monotonicity

by Feng Liu, Stephen J. Walters, Steven A. Julious
Published 2017-10-01

A Scoping Review of Selected Studies on Predictor Variables Associated with the Malaria Status among Children under Five Years in Sub-Saharan Africa

by Phillips Edomwonyi Obasohan, Stephen J. Walters, Richard Jacques, Khaled Khatab
Published 2021-02-01

A Scoping Review of the Risk Factors Associated with Anaemia among Children Under Five Years in Sub-Saharan African Countries

by Phillips Edomwonyi Obasohan, Stephen J. Walters, Richard Jacques, Khaled Khatab
Published 2020-11-01

Risk Factors Associated with Malnutrition among Children Under-Five Years in Sub-Saharan African Countries: A Scoping Review

by Phillips Edomwonyi Obasohan, Stephen J. Walters, Richard Jacques, Khaled Khatab
Published 2020-11-01

A systematic review of the “promising zone” design

by Julia M. Edwards, Stephen J. Walters, Cornelia Kunz, Steven A. Julious
Published 2020-12-01

Recommendations for the analysis of individually randomised controlled trials with clustering in one arm – a case of continuous outcomes

by Laura Flight, Annabel Allison, Munyaradzi Dimairo, Ellen Lee, Laura Mandefield, Stephen J. Walters
Published 2016-11-01

Appropriate statistical methods for analysing partially nested randomised controlled trials with continuous outcomes: a simulation study

by Jane Candlish, M. Dawn Teare, Munyaradzi Dimairo, Laura Flight, Laura Mandefield, Stephen J. Walters
Published 2018-10-01

Correction to: Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes: what correlation between baseline and follow-up outcom...

by Stephen J. Walters, Richard M. Jacques, Inês Bonacho dos Anjos Henriques-Cadby, Jane Candlish, Nikki Totton, Mica Teo Shu Xian
Published 2019-10-01

Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes: what correlation between baseline and follow-up outcomes should we as...

by Stephen J. Walters, Richard M. Jacques, Inês Bonacho dos Anjos Henriques-Cadby, Jane Candlish, Nikki Totton, Mica Teo Shu Xian
Published 2019-09-01

A breakthrough series collaborative to increase patient participation with hemodialysis tasks: A stepped wedge cluster randomised controlled trial.

by James Fotheringham, Tania Barnes, Louese Dunn, Sonia Lee, Steven Ariss, Tracey Young, Stephen J Walters, Paul Laboi, Andy Henwood, Rachel Gair, Martin Wilkie
Published 2021-01-01

Rationale and design for SHAREHD: a quality improvement collaborative to scale up Shared Haemodialysis Care for patients on centre based haemodialysis

by James Fotheringham, Tania Barnes, Louese Dunn, Sonia Lee, Steven Ariss, Tracey Young, Stephen J. Walters, Paul Laboi, Andy Henwood, Rachel Gair, Martin Wilkie
Published 2017-11-01

Challenges in the design, planning and implementation of trials evaluating group interventions

by Katie Biggs, Daniel Hind, Rebecca Gossage-Worrall, Kirsty Sprange, David White, Jessica Wright, Robin Chatters, Katherine Berry, Diana Papaioannou, Mike Bradburn, Stephen J. Walters, Cindy Cooper
Published 2020-01-01

Putting Life in Years (PLINY): a randomised controlled trial and mixed-methods process evaluation of a telephone friendship intervention to improve mental well-being in independent...

by Daniel Hind, Gail Mountain, Rebecca Gossage-Worrall, Stephen J Walters, Rosie Duncan, Louise Newbould, Saleema Rex, Carys Jones, Ann Bowling, Mima Cattan, Angela Cairns, Cindy Cooper, Elizabeth Goyder, Rhiannon Tudor Edwards
Published 2014-12-01

A programme to spread eGFR graph surveillance for the early identification, support and treatment of people with progressive chronic kidney disease (ASSIST-CKD): protocol for the s...

by Hugh Gallagher, Shona Methven, Anna Casula, Nicola Thomas, Charles R. V. Tomson, Fergus J. Caskey, Tracey Rose, Stephen J. Walters, David Kennedy, Anne Dawnay, Martin Cassidy, Richard Fluck, Hugh C. Rayner, Michael Nation
Published 2017-04-01

Correction to: Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial – the development of the DELTA2 guidance

by William Sones, Steven A. Julious, Joanne C. Rothwell, Craig Robert Ramsay, Lisa V. Hampson, Richard Emsley, Stephen J. Walters, Catherine Hewitt, Martin Bland, Dean A. Fergusson, Jesse A. Berlin, Doug Altman, Luke David Vale, Jonathan Alistair Cook
Published 2019-10-01

Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial – the development of the DELTA2 guidance

by William Sones, Steven A. Julious, Joanne C. Rothwell, Craig Robert Ramsay, Lisa V. Hampson, Richard Emsley, Stephen J. Walters, Catherine Hewitt, Martin Bland, Dean A. Fergusson, Jesse A. Berlin, Doug Altman, Luke David Vale, Jonathan Alistair Cook
Published 2018-10-01

Choosing the target difference (‘effect size’) for a randomised controlled trial - DELTA2 guidance protocol

by Jonathan A. Cook, Steven A. Julious, William Sones, Joanne C. Rothwell, Craig R. Ramsay, Lisa V. Hampson, Richard Emsley, Stephen J. Walters, Catherine Hewitt, Martin Bland, Dean A. Fergusson, Jesse A. Berlin, Doug Altman, Luke D. Vale
Published 2017-06-01

A randomised controlled trial and cost-effectiveness evaluation of ‘booster’ interventions to sustain increases in physical activity in middle-aged adults in deprived urban neighbo...

by Elizabeth Goyder, Daniel Hind, Jeff Breckon, Munyaradzi Dimairo, Jonathan Minton, Emma Everson-Hock, Simon Read, Robert Copeland, Helen Crank, Kimberly Horspool, Liam Humphreys, Andrew Hutchison, Sue Kesterton, Nicolas Latimer, Emma Scott, Peter Swaile, Stephen J Walters, Rebecca Wood, Karen Collins, Cindy Cooper
Published 2014-02-01

Supporting medication adherence for adults with cystic fibrosis: a randomised feasibility study

by Daniel Hind, Sarah J. Drabble, Madelynne A. Arden, Laura Mandefield, Simon Waterhouse, Chin Maguire, Hannah Cantrill, Louisa Robinson, Daniel Beever, Alexander J. Scott, Sam Keating, Marlene Hutchings, Judy Bradley, Julia Nightingale, Mark I. Allenby, Jane Dewar, Pauline Whelan, John Ainsworth, Stephen J. Walters, Alicia O’Cathain, Martin J. Wildman
Published 2019-04-01

Behavioural activation therapy for post-stroke depression: the BEADS feasibility RCT

by Shirley A Thomas, Avril ER Drummond, Nadina B Lincoln, Rebecca L Palmer, Roshan das Nair, Nicholas R Latimer, Gemma L Hackney, Laura Mandefield, Stephen J Walters, Rachael D Hatton, Cindy L Cooper, Timothy F Chater, Timothy J England, Patrick Callaghan, Elizabeth Coates, Katie E Sutherland, Sarah Jacob Eshtan, Gogem Topcu
Published 2019-09-01