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851 results

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Page 1
Visualising harms in publications of randomised controlled trials: consensus and recommendations.
Phillips R, Cro S, Wheeler G, Bond S, Morris TP, Creanor S, Hewitt C, Love S, Lopes A, Schlackow I, Gamble C, MacLennan G, Habron C, Gordon AC, Vergis N, Li T, Qureshi R, Everett CC, Holmes J, Kirkham A, Peckitt C, Pirrie S, Ahmed N, Collett L, Cornelius V. Phillips R, et al. Among authors: hewitt c. BMJ. 2022 May 16;377:e068983. doi: 10.1136/bmj-2021-068983. BMJ. 2022. PMID: 35577357 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.
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.
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.
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: hewitt c. Health Technol Assess. 2019 Oct;23(60):1-88. doi: 10.3310/hta23600. Health Technol Assess. 2019. PMID: 31661431 Free PMC article.
A roadmap to using randomization in clinical trials.
Berger VW, Bour LJ, Carter K, Chipman JJ, Everett CC, Heussen N, Hewitt C, Hilgers RD, Luo YA, Renteria J, Ryeznik Y, Sverdlov O, Uschner D; Randomization Innovative Design Scientific Working Group. Berger VW, et al. Among authors: hewitt c. BMC Med Res Methodol. 2021 Aug 16;21(1):168. doi: 10.1186/s12874-021-01303-z. BMC Med Res Methodol. 2021. PMID: 34399696 Free PMC article. Clinical Trial.
851 results