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DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial.
Cook JA, Julious SA, Sones W, Hampson LV, Hewitt C, Berlin JA, Ashby D, Emsley R, Fergusson DA, Walters SJ, Wilson ECF, MacLennan G, Stallard N, Rothwell JC, Bland M, Brown L, Ramsay CR, Cook A, Armstrong D, Altman D, Vale LD. Cook JA, et al. Among authors: hewitt c. BMJ. 2018 Nov 5;363:k3750. doi: 10.1136/bmj.k3750. BMJ. 2018. PMID: 30560792 Free PMC article.
Reporting attrition in randomised controlled trials.
Dumville JC, Torgerson DJ, Hewitt CE. Dumville JC, et al. Among authors: hewitt ce. BMJ. 2006 Apr 22;332(7547):969-71. doi: 10.1136/bmj.332.7547.969. BMJ. 2006. PMID: 16627519 Free PMC article. Review.
Is restricted randomisation necessary?
Hewitt CE, Torgerson DJ. Hewitt CE, et al. BMJ. 2006 Jun 24;332(7556):1506-8. doi: 10.1136/bmj.332.7556.1506. BMJ. 2006. PMID: 16793819 Free PMC article. Review.
Contamination in trials of educational interventions.
Keogh-Brown MR, Bachmann MO, Shepstone L, Hewitt C, Howe A, Ramsay CR, Song F, Miles JN, Torgerson DJ, Miles S, Elbourne D, Harvey I, Campbell MJ. Keogh-Brown MR, et al. Among authors: hewitt c. Health Technol Assess. 2007 Oct;11(43):iii, ix-107. doi: 10.3310/hta11430. Health Technol Assess. 2007. PMID: 17935683 Free article. Review.
Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA2 guidance.
Sones W, Julious SA, Rothwell JC, Ramsay CR, Hampson LV, Emsley R, Walters SJ, Hewitt C, Bland M, Fergusson DA, Berlin JA, Altman D, Vale LD, Cook JA. Sones W, et al. Among authors: hewitt c. Trials. 2018 Oct 10;19(1):542. doi: 10.1186/s13063-018-2887-x. Trials. 2018. PMID: 30305155 Free PMC article.
DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial.
Cook JA, Julious SA, Sones W, Hampson LV, Hewitt C, Berlin JA, Ashby D, Emsley R, Fergusson DA, Walters SJ, Wilson ECF, Maclennan G, Stallard N, Rothwell JC, Bland M, Brown L, Ramsay CR, Cook A, Armstrong D, Altman D, Vale LD. Cook JA, et al. Among authors: hewitt c. Trials. 2018 Nov 5;19(1):606. doi: 10.1186/s13063-018-2884-0. Trials. 2018. PMID: 30400926 Free PMC article.
857 results