A study of target effect sizes in randomised controlled trials published in the Health Technology Assessment journal

by Joanne C. Rothwell, Steven A. Julious, Cindy L. Cooper
Published 2018-10-01

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

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