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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: stallard n. BMJ. 2018 Nov 5;363:k3750. doi: 10.1136/bmj.k3750. BMJ. 2018. PMID: 30560792 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: stallard n. Trials. 2018 Nov 5;19(1):606. doi: 10.1186/s13063-018-2884-0. Trials. 2018. PMID: 30400926 Free PMC article.
Practical help for specifying the target difference in sample size calculations for RCTs: the DELTA2 five-stage study, including a workshop.
Cook JA, Julious SA, Sones W, Hampson LV, Hewitt C, Berlin JA, Ashby D, Emsley R, Fergusson DA, Walters SJ, Wilson EC, 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: stallard n. Health Technol Assess. 2019 Oct;23(60):1-88. doi: 10.3310/hta23600. Health Technol Assess. 2019. PMID: 31661431 Free PMC article.
Efficient Adaptive Designs for Clinical Trials of Interventions for COVID-19.
Stallard N, Hampson L, Benda N, Brannath W, Burnett T, Friede T, Kimani PK, Koenig F, Krisam J, Mozgunov P, Posch M, Wason J, Wassmer G, Whitehead J, Williamson SF, Zohar S, Jaki T. Stallard N, et al. Stat Biopharm Res. 2020 Jul 29;12(4):483-497. doi: 10.1080/19466315.2020.1790415. Stat Biopharm Res. 2020. PMID: 34191981 Free PMC article.
Group sequential designs in pragmatic trials: feasibility and assessment of utility using data from a number of recent surgical RCTs.
Parsons NR, Stallard N, Parsons H, Haque A, Underwood M, Mason J, Khan I, Costa ML, Griffin DR, Griffin J, Beard DJ, Cook JA, Davies L, Hudson J, Metcalfe A. Parsons NR, et al. Among authors: stallard n. BMC Med Res Methodol. 2022 Oct 1;22(1):256. doi: 10.1186/s12874-022-01734-2. BMC Med Res Methodol. 2022. PMID: 36183085 Free PMC article.
194 results