Surgeons’ and methodologists’ perceptions of utilising an expertise-based randomised controlled trial design: a qualitative study

by Jonathan A. Cook, Marion K. Campbell, Katie Gillies, Zoë Skea
Published 2018-09-01

Current practice in analysing and reporting binary outcome data—a review of randomised controlled trial reports

by Ines Rombach, Ruth Knight, Nicholas Peckham, Jamie R. Stokes, Jonathan A. Cook
Published 2020-06-01

Current practice in methodology and reporting of the sample size calculation in randomised trials of hip and knee osteoarthritis: a protocol for a systematic review

by Bethan Copsey, Susan Dutton, Ray Fitzpatrick, Sarah E. Lamb, Jonathan A. Cook
Published 2017-10-01

Managing clustering effects and learning effects in the design and analysis of multicentre randomised trials: a survey to establish current practice

by Elizabeth J. Conroy, Jane M. Blazeby, Girvan Burnside, Jonathan A. Cook, Carrol Gamble
Published 2020-05-01

The challenge of equipoise in trials with a surgical and non-surgical comparison: a qualitative synthesis using meta-ethnography

by Loretta Davies, David Beard, Jonathan A. Cook, Andrew Price, Ida Osbeck, Francine Toye
Published 2021-10-01

A questionnaire elicitation of surgeons' belief about learning within a surgical trial.

by Jonathan A Cook, Craig R Ramsay, Andrew J Carr, Jonathan L Rees, UKUFF trial group
Published 2012-01-01

Should the nail plate be replaced or discarded after nail bed repair in children? Nail bed INJury Analysis (NINJA) randomised controlled trial: a health economic and statistical an...

by Jamie R. Stokes, May Ee Png, Abhilash Jain, Aina V. H. Greig, Beverly A. Shirkey, Melina Dritsaki, Jonathan A. Cook
Published 2020-10-01

Systematic review of the surgical management of rotator cuff repair with an augmentative patch: a feasibility study protocol

by Gemma Greenall, Andrew Carr, David Beard, Jonathan Rees, Amar Rangan, Naomi Merritt, Melina Dritsaki, Navraj S. Nagra, Mathew Baldwin, Sally Hopewell, Jonathan A. Cook
Published 2018-11-01

Patient and public involvement (PPI) in UK surgical trials: a survey and focus groups with stakeholders to identify practices, views, and experiences

by Joanna C. Crocker, Keira Pratt-Boyden, Jenny Hislop, Sian Rees, Louise Locock, Sophie Olszowski, Alan Chant, Shaun Treweek, Jonathan A. Cook, Kerry Woolfall, Nicola Farrar, Jennifer Bostock, Richard Bulbulia
Published 2019-02-01

Total versus partial knee replacement in patients with medial compartment knee osteoarthritis: the TOPKAT RCT

by David J Beard, Loretta J Davies, Jonathan A Cook, Graeme MacLennan, Andrew Price, Seamus Kent, Jemma Hudson, Andrew Carr, Jose Leal, Helen Campbell, Ray Fitzpatrick, Nigel Arden, David Murray, Marion K Campbell
Published 2020-04-01

Patch-augmented rotator cuff surgery (PARCS) study—protocol for a feasibility study

by Jonathan A. Cook, Naomi Merritt, Jonathan L. Rees, Joanna C. Crocker, Sally Hopewell, Melina Dritsaki, David J. Beard, Amar Rangan, Cushla Cooper, Lucksy Kottam, Dair Farrar-Hockley, Michael Thomas, Robert Earle, Andrew J. Carr
Published 2018-12-01

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

Methods for specifying the target difference in a randomised controlled trial: the Difference ELicitation in TriAls (DELTA) systematic review.

by Jenni Hislop, Temitope E Adewuyi, Luke D Vale, Kirsten Harrild, Cynthia Fraser, Tara Gurung, Douglas G Altman, Andrew H Briggs, Peter Fayers, Craig R Ramsay, John D Norrie, Ian M Harvey, Brian Buckley, Jonathan A Cook, DELTA group
Published 2014-05-01

Patch augmentation surgery for rotator cuff repair: the PARCS mixed-methods feasibility study

by Jonathan A Cook, Mathew Baldwin, Cushla Cooper, Navraj S Nagra, Joanna C Crocker, Molly Glaze, Gemma Greenall, Amar Rangan, Lucksy Kottam, Jonathan L Rees, Dair Farrar-Hockley, Naomi Merritt, Sally Hopewell, David Beard, Michael Thomas, Melina Dritsaki, Andrew J Carr
Published 2021-02-01

Findings from the patch augmented rotator cuff surgery (PARCS) feasibility study

by Jonathan A. Cook, Mathew Baldwin, Cushla Cooper, Navraj S. Nagra, Joanna C. Crocker, Molly Glaze, Gemma Greenall, Amar Rangan, Lucksy Kottam, Jonathan L. Rees, Dair Farrar-Hockley, Naomi Merritt, Sally Hopewell, David Beard, Michael Thomas, Melina Dritsaki, Andrew J. Carr
Published 2021-08-01

DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial

by Jonathan A. Cook, Steven A. Julious, William Sones, Lisa V. Hampson, Catherine Hewitt, Jesse A. Berlin, Deborah Ashby, Richard Emsley, Dean A. Fergusson, Stephen J. Walters, Edward C. F. Wilson, Graeme Maclennan, Nigel Stallard, Joanne C. Rothwell, Martin Bland, Louise Brown, Craig R. Ramsay, Andrew Cook, David Armstrong, Doug Altman, Luke D. Vale
Published 2018-11-01

Practical help for specifying the target difference in sample size calculations for RCTs: the DELTA2 five-stage study, including a workshop

by Jonathan A Cook, Steven A Julious, William Sones, Lisa V Hampson, Catherine Hewitt, Jesse A Berlin, Deborah Ashby, Richard Emsley, Dean A Fergusson, Stephen J Walters, Edward CF Wilson, Graeme MacLennan, Nigel Stallard, Joanne C Rothwell, Martin Bland, Louise Brown, Craig R Ramsay, Andrew Cook, David Armstrong, Douglas Altman, Luke D Vale
Published 2019-10-01

Placebo comparator group selection and use in surgical trials: the ASPIRE project including expert workshop

by David J Beard, Marion K Campbell, Jane M Blazeby, Andrew J Carr, Charles Weijer, Brian H Cuthbertson, Rachelle Buchbinder, Thomas Pinkney, Felicity L Bishop, Jonathan Pugh, Sian Cousins, Ian Harris, L Stefan Lohmander, Natalie Blencowe, Katie Gillies, Pascal Probst, Carol Brennan, Andrew Cook, Dair Farrar-Hockley, Julian Savulescu, Richard Huxtable, Amar Rangan, Irene Tracey, Peter Brocklehurst, Manuela L Ferreira, Jon Nicholl, Barnaby C Reeves, Freddie Hamdy, Samuel CS Rowley, Naomi Lee, Jonathan A Cook
Published 2021-09-01