Relative efficiency of unequal cluster sizes in stepped wedge and other trial designs under longitudinal or cross‐sectional sampling

por Girling, Alan J.
Publicado 2018

Stepped-wedge cluster randomised controlled trials: some variations on the common design

por Hemming, Karla, Girling, Alan
Publicado 2013

Statistical efficiency and optimal design for stepped cluster studies under linear mixed effects models

por Girling, Alan J., Hemming, Karla
Publicado 2016

Optimal study designs for cluster randomised trials: An overview of methods and results

por Watson, Samuel I, Girling, Alan, Hemming, Karla
Publicado 2023

Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level designs

por Hemming, Karla, Lilford, Richard, Girling, Alan J
Publicado 2015

The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials

por Martin, James Thomas, Hemming, Karla, Girling, Alan
Publicado 2019

Comparison of direct and indirect methods of estimating health state utilities for resource allocation: review and empirical analysis

por Arnold, David, Girling, Alan, Stevens, Andrew, Lilford, Richard
Publicado 2009

Using meta-analysis of Phase II trials to predict Phase III trial results

por Burke, Danielle, Billingham, Lucinda, Girling, Alan, Riley, Richard
Publicado 2013

The stepped wedge cluster randomised trial: an opportunity to increase the quality of evaluations of service delivery and public policy interventions

por Taljaard, Monica, Lilford, Richard, Girling, Alan, Hemming, Karla
Publicado 2015

Systematic review finds major deficiencies in sample size methodology and reporting for stepped-wedge cluster randomised trials

por Martin, James, Taljaard, Monica, Girling, Alan, Hemming, Karla
Publicado 2016

HEADROOM APPROACH TO DEVICE DEVELOPMENT: CURRENT AND FUTURE DIRECTIONS

por Girling, Alan, Lilford, Richard, Cole, Amanda, Young, Terry
Publicado 2015

A statistical framework for quantifying clinical equipoise for individual cases during randomized controlled surgical trials

por Parsons, Nicholas R, Kulikov, Yuri, Girling, Alan, Griffin, Damian
Publicado 2011

Does smoking cessation result in improved mental health? A comparison of regression modelling and propensity score matching

por Taylor, Gemma, Girling, Alan, McNeill, Ann, Aveyard, Paul
Publicado 2015

Taking hospital treatments home: a mixed methods case study looking at the barriers and success factors for home dialysis treatment and the influence of a target on uptake rates

por Combes, Gill, Allen, Kerry, Sein, Kim, Girling, Alan, Lilford, Richard
Publicado 2015

BAYESIAN META-ANALYSIS ON MEDICAL DEVICES: APPLICATION TO IMPLANTABLE CARDIOVERTER DEFIBRILLATORS

por Youn, Ji-Hee, Lord, Joanne, Hemming, Karla, Girling, Alan, Buxton, Martin
Publicado 2012

Effects of physical activity on the development and progression of microvascular complications in type 1 diabetes: retrospective analysis of the DCCT study

por Makura, Caroline BT, Nirantharakumar, Krishnarajah, Girling, Alan J, Saravanan, Ponnusamy, Narendran, Parth
Publicado 2013

Meta-analysis of randomized phase II trials to inform subsequent phase III decisions

por Burke, Danielle L, Billingham, Lucinda J, Girling, Alan J, Riley, Richard D
Publicado 2014

Intra-cluster and inter-period correlation coefficients for cross-sectional cluster randomised controlled trials for type-2 diabetes in UK primary care

por Martin, James, Girling, Alan, Nirantharakumar, Krishnarajah, Ryan, Ronan, Marshall, Tom, Hemming, Karla
Publicado 2016

Sample size calculations for cluster randomised controlled trials with a fixed number of clusters

por Hemming, Karla, Girling, Alan J, Sitch, Alice J, Marsh, Jennifer, Lilford, Richard J
Publicado 2011

Where should stepped-wedge designs be placed in the evidence hierarchy? Using the “within-wedge” analysis approach to generate evidence of possible bias

por Haines, Terry, Hemming, Karla, Girling, Alan, Hill, Anne-Marie, Bulsara, Max, Deeks, Jon
Publicado 2014