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

Author:

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

Publisher

BMJ

Subject

General Engineering

Reference31 articles.

1. The revised CONSORT statement for reporting randomized trials: explanation and elaboration;Altman;Ann Intern Med,2001

2. Assessing methods to specify the target difference for a randomised controlled trial: DELTA (Difference ELicitation in TriAls) review;Cook;Health Technol Assess,2014

3. Methods for specifying the target difference in a randomised controlled trial: the Difference ELicitation in TriAls (DELTA) systematic review;Hislop;PLoS Med,2014

4. Use of methods for specifying the target difference in randomised controlled trial sample size calculations: Two surveys of trialists’ practice;Cook;Clin Trials,2014

5. Cook JA, Julious SA, Sones W, et al. Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - DELTA2 guidance for researchers and funder representatives. https://www.csm.ox.ac.uk/research/methodology-research/delta2/delta2-output.

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