Copas AJ - Search Results

1

A critical review of methods for the assessment of patient-level interactions in individual participant data meta-analysis of randomized trials, and guidance for practitioners.

Fisher DJ, Copas AJ, Tierney JF, Parmar MK. Fisher DJ, et al. Among authors: copas aj. J Clin Epidemiol. 2011 Sep;64(9):949-67. doi: 10.1016/j.jclinepi.2010.11.016. Epub 2011 Mar 16. J Clin Epidemiol. 2011. PMID: 21411280 Review.

2

Quantifying, displaying and accounting for heterogeneity in the meta-analysis of RCTs using standard and generalised Q statistics.

Bowden J, Tierney JF, Copas AJ, Burdett S. Bowden J, et al. Among authors: copas aj. BMC Med Res Methodol. 2011 Apr 7;11:41. doi: 10.1186/1471-2288-11-41. BMC Med Res Methodol. 2011. PMID: 21473747 Free PMC article.

3

Should Tyrosine Kinase Inhibitors Be Considered for Advanced Non-Small-Cell Lung Cancer Patients With Wild Type EGFR? Two Systematic Reviews and Meta-Analyses of Randomized Trials.

Vale CL, Burdett S, Fisher DJ, Navani N, Parmar MK, Copas AJ, Tierney JF. Vale CL, et al. Among authors: copas aj. Clin Lung Cancer. 2015 May;16(3):173-182.e4. doi: 10.1016/j.cllc.2014.11.007. Epub 2014 Nov 22. Clin Lung Cancer. 2015. PMID: 25547901 Free PMC article. Review.

4

Individual patient data meta-analysis of time-to-event outcomes: one-stage versus two-stage approaches for estimating the hazard ratio under a random effects model.

Bowden J, Tierney JF, Simmonds M, Copas AJ, Higgins JP. Bowden J, et al. Among authors: copas aj. Res Synth Methods. 2011 Sep;2(3):150-62. doi: 10.1002/jrsm.45. Res Synth Methods. 2011. PMID: 26061783

5

A Quantitative Process for Enhancing End of Phase 2 Decisions.

Sabin T, Matcham J, Bray S, Copas A, Parmar MK. Sabin T, et al. Stat Biopharm Res. 2014 Jan;6(1):67-77. doi: 10.1080/19466315.2013.852617. Epub 2014 Feb 1. Stat Biopharm Res. 2014. PMID: 24683441 Free PMC article.

6

Modelling the association between patient characteristics and the change over time in a disease measure using observational cohort data.

Harrison L, Dunn DT, Green H, Copas AJ. Harrison L, et al. Among authors: copas aj. Stat Med. 2009 Nov 20;28(26):3260-75. doi: 10.1002/sim.3725. Stat Med. 2009. PMID: 19768690

7

Recruitment and implementation challenges were common in stepped-wedge cluster randomized trials: Results from a methodological review.

Caille A, Taljaard M, Le Vilain-Abraham F, Le Moigne A, Copas AJ, Tubach F, Dechartres A. Caille A, et al. Among authors: copas aj. J Clin Epidemiol. 2022 Aug;148:93-103. doi: 10.1016/j.jclinepi.2022.04.024. Epub 2022 Apr 26. J Clin Epidemiol. 2022. PMID: 35483552 Free article. Review.

8

Estimands in cluster-randomized trials: choosing analyses that answer the right question.

Kahan BC, Li F, Copas AJ, Harhay MO. Kahan BC, et al. Among authors: copas aj. Int J Epidemiol. 2023 Feb 8;52(1):107-118. doi: 10.1093/ije/dyac131. Int J Epidemiol. 2023. PMID: 35834775 Free PMC article.

9

A school-based randomized controlled trial of peer-led sex education in England.

Stephenson JM, Oakley A, Johnson AM, Forrest S, Strange V, Charleston S, Black S, Copas A, Petruckevitch A, Babiker A. Stephenson JM, et al. Control Clin Trials. 2003 Oct;24(5):643-57. doi: 10.1016/s0197-2456(03)00070-9. Control Clin Trials. 2003. PMID: 14500060 Clinical Trial.

10

Influence of family type and parenting behaviours on teenage sexual behaviour and conceptions.

Bonell C, Allen E, Strange V, Oakley A, Copas A, Johnson A, Stephenson J. Bonell C, et al. J Epidemiol Community Health. 2006 Jun;60(6):502-6. doi: 10.1136/jech.2005.042838. J Epidemiol Community Health. 2006. PMID: 16698980 Free PMC article.

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