Cluster randomised trials with different numbers of measurements at baseline and endline: sample size and optimal allocation

por Copas, Andrew J, Hooper, Richard
Publicado en Clin Trials (2020)

Optimal design of cluster randomized trials allowing unequal allocation of clusters and unequal cluster size between arms

por Copas, Andrew J., Hooper, Richard
Publicado en Stat Med (2021)

Optimal design of cluster randomised trials with continuous recruitment and prospective baseline period

por Hooper, Richard, Copas, Andrew J
Publicado en Clin Trials (2021)

A review of methodology for sample size calculations in cluster randomised trials

por Rutterford, Clare, Eldridge, Sandra, Copas, Andrew
Publicado 2011

Review of methods for handling confounding by cluster and informative cluster size in clustered data

por Seaman, Shaun, Pavlou, Menelaos, Copas, Andrew
Publicado en Stat Med (2014)

Methods for sample size determination in cluster randomized trials

por Rutterford, Clare, Copas, Andrew, Eldridge, Sandra
Publicado en Int J Epidemiol (2015)

Superiority and non-inferiority: two sides of the same coin?

por Dunn, David T., Copas, Andrew J., Brocklehurst, Peter
Publicado en Trials (2018)

Methods for Observed-Cluster Inference When Cluster Size Is Informative: A Review and Clarifications

por Seaman, Shaun R, Pavlou, Menelaos, Copas, Andrew J
Publicado en Biometrics (2014)

Considering the design effect for the stepped wedge trial: what can it tell us?

por Thompson, Jennifer, Fielding, Katherine, Hargreaves, James, Copas, Andrew
Publicado en Trials (2015)

Combined models for pre- and post-treatment longitudinal biomarker data: an application to CD4 counts in HIV-patients

por Stirrup, Oliver T., Babiker, Abdel G., Copas, Andrew J.
Publicado en BMC Med Res Methodol (2016)

Pregnancy Intention and Pregnancy Outcome: Systematic Review and Meta-Analysis

por Hall, Jennifer A., Benton, Lorna, Copas, Andrew, Stephenson, Judith
Publicado en Matern Child Health J (2017)

London Measure of Unplanned Pregnancy: guidance for its use as an outcome measure

por Hall, Jennifer A, Barrett, Geraldine, Copas, Andrew, Stephenson, Judith
Publicado en Patient Relat Outcome Meas (2017)

The optimal design of stepped wedge trials with equal allocation to sequences and a comparison to other trial designs

por Thompson, Jennifer A, Fielding, Katherine, Hargreaves, James, Copas, Andrew
Publicado en Clin Trials (2017)

Sample size and power calculations for open cohort longitudinal cluster randomized trials

por Kasza, Jessica, Hooper, Richard, Copas, Andrew, Forbes, Andrew B.
Publicado en Stat Med (2020)

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

por Bowden, Jack, Tierney, Jayne F, Copas, Andrew J, Burdett, Sarah
Publicado 2011

Systematic Review and Meta-Analysis of L1-VLP-Based Human Papillomavirus Vaccine Efficacy against Anogenital Pre-Cancer in Women with Evidence of Prior HPV Exposure

por Miltz, Ada, Price, Huw, Shahmanesh, Maryam, Copas, Andrew, Gilson, Richard
Publicado 2014

Inadequate reporting of sample size calculations in cluster randomised trials: a review

por Rutterford, Clare, Taljaard, Monica, Dixon, Stephanie, Copas, Andrew, Eldridge, Sandra
Publicado 2013

Combining Multiple Imputation and Inverse-Probability Weighting

por Seaman, Shaun R, White, Ian R, Copas, Andrew J, Li, Leah
Publicado 2012

A Systematic Review of the Screening Accuracy of the HIV Dementia Scale and International HIV Dementia Scale

por Haddow, Lewis John, Floyd, Sian, Copas, Andrew, Gilson, Richard John Cary
Publicado 2013

How important is randomisation in a stepped wedge trial?

por Hargreaves, James R, Prost, Audrey, Fielding, Katherine L., Copas, Andrew J.
Publicado en Trials (2015)