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The use of bootstrap methods for analysing Health-Related Quality of Life outcomes (particularly the SF-36).
Walters SJ, Campbell MJ. Walters SJ, et al. Among authors: campbell mj. Health Qual Life Outcomes. 2004 Dec 9;2:70. doi: 10.1186/1477-7525-2-70. Health Qual Life Outcomes. 2004. PMID: 15588308 Free PMC article.
What do hospital mortality rates tell us about quality of care?
Goodacre S, Campbell M, Carter A. Goodacre S, et al. Among authors: campbell m. Emerg Med J. 2015 Mar;32(3):244-7. doi: 10.1136/emermed-2013-203022. Epub 2013 Sep 23. Emerg Med J. 2015. PMID: 24064042 Review.
Health Related Quality of Life in Malaysian children with thalassaemia.
Ismail A, Campbell MJ, Ibrahim HM, Jones GL. Ismail A, et al. Among authors: campbell mj. Health Qual Life Outcomes. 2006 Jul 2;4:39. doi: 10.1186/1477-7525-4-39. Health Qual Life Outcomes. 2006. PMID: 16813662 Free PMC article.
Patterns of intra-cluster correlation from primary care research to inform study design and analysis.
Adams G, Gulliford MC, Ukoumunne OC, Eldridge S, Chinn S, Campbell MJ. Adams G, et al. Among authors: campbell mj. J Clin Epidemiol. 2004 Aug;57(8):785-94. doi: 10.1016/j.jclinepi.2003.12.013. J Clin Epidemiol. 2004. PMID: 15485730 Review.
Challenges of cluster randomized trials.
Campbell MJ. Campbell MJ. J Comp Eff Res. 2014 May;3(3):271-81. doi: 10.2217/cer.14.21. J Comp Eff Res. 2014. PMID: 24969154 Review.
CONSORT 2010 statement: extension to randomised pilot and feasibility trials.
Eldridge SM, Chan CL, Campbell MJ, Bond CM, Hopewell S, Thabane L, Lancaster GA; PAFS consensus group. Eldridge SM, et al. Among authors: campbell mj. BMJ. 2016 Oct 24;355:i5239. doi: 10.1136/bmj.i5239. BMJ. 2016. PMID: 27777223 Free PMC article.
Defining Feasibility and Pilot Studies in Preparation for Randomised Controlled Trials: Development of a Conceptual Framework.
Eldridge SM, Lancaster GA, Campbell MJ, Thabane L, Hopewell S, Coleman CL, Bond CM. Eldridge SM, et al. Among authors: campbell mj. PLoS One. 2016 Mar 15;11(3):e0150205. doi: 10.1371/journal.pone.0150205. eCollection 2016. PLoS One. 2016. PMID: 26978655 Free PMC article.
Estimating the sample size for a pilot randomised trial to minimise the overall trial sample size for the external pilot and main trial for a continuous outcome variable.
Whitehead AL, Julious SA, Cooper CL, Campbell MJ. Whitehead AL, et al. Among authors: campbell mj. Stat Methods Med Res. 2016 Jun;25(3):1057-73. doi: 10.1177/0962280215588241. Epub 2015 Jun 19. Stat Methods Med Res. 2016. PMID: 26092476 Free PMC article.
Sample size calculations for the design of cluster randomized trials: A summary of methodology.
Gao F, Earnest A, Matchar DB, Campbell MJ, Machin D. Gao F, et al. Among authors: campbell mj. Contemp Clin Trials. 2015 May;42:41-50. doi: 10.1016/j.cct.2015.02.011. Epub 2015 Mar 9. Contemp Clin Trials. 2015. PMID: 25766887
A hazard ratio was estimated by a ratio of median survival times, but with considerable uncertainty.
Cortés J, González JA, Campbell MJ, Cobo E. Cortés J, et al. Among authors: campbell mj. J Clin Epidemiol. 2014 Oct;67(10):1172-7. doi: 10.1016/j.jclinepi.2014.05.017. Epub 2014 Jul 22. J Clin Epidemiol. 2014. PMID: 25063554
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