Alastair Gray

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All published works
Action Title Year Authors
+ PDF Chat Benefit accrual with cardiovascular disease prevention and effects of discontinuation: a modelling study 2022 Runguo Wu
Clare Williams
Jiaji Zhou
Iryna Schlackow
Jonathan Emberson
Christina Reith
Anthony Keech
John Robson
K Wilkinson
Jane Armitage
+ PDF Chat Accurately Reflecting Uncertainty When Using Patient-Level Simulation Models to Extrapolate Clinical Trial Data 2020 Helen Dakin
José Leal
Andrew Briggs
Philip Clarke
Rury R. Holman
Alastair Gray
+ PDF Chat Which interactions matter in economic evaluations? A simulation study 2019 Helen Dakin
Alastair Gray
+ PDF Chat The QuinteT Recruitment Intervention supported five randomized trials to recruit to target: a mixed-methods evaluation 2018 Leila Rooshenas
Lauren J Scott
Jane Blazeby
Chris Rogers
Kate Tilling
Samantha Husbands
Carmel Conefrey
Nicola Mills
Robert C. Stein
Chris Metcalfe
+ PDF Chat Partial factorial trials: comparing methods for statistical analysis and economic evaluation 2018 Helen Dakin
Alastair Gray
Graeme MacLennan
Richard Morris
David W. Murray
+ PDF Chat Comparison of statistical approaches for analyzing incomplete longitudinal patient-reported outcome data in randomized controlled trials 2018 Ines Rombach
Crispin Jenkinson
Alastair Gray
David W. Murray
Oliver Rivero‐Arias
+ A comparison of statistical approaches for analysing missing longitudinal patient reported outcome data in randomised controlled trials 2017 Ines Rombach
Alastair Gray
Crispin Jenkinson
Oliver Rivero‐Arias
+ PDF Chat The effect of diabetes complications on health-related quality of life: estimating the bias due to unobserved heterogeneity using the UKPDS 2011 MarĂ­a Alva
Alastair Gray
Borislava Mihaylova
Philip Clarke
+ UK Hip Trial 2003 Diana Elbourne
Carol Dezateux
Rosemary Arthur
Alastair Gray
Nmp Clarke
Frances Gardner
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ Multiple imputation using chained equations: Issues and guidance for practice 2010 Ian R. White
Patrick Royston
Angela Wood
3
+ PDF Chat Design, analysis and presentation of factorial randomised controlled trials 2003 Alan Montgomery
T. J. Peters
Paul Little
2
+ PDF Chat A Guide to Handling Missing Data in Cost-Effectiveness Analysis Conducted Within Randomised Controlled Trials 2014 Rita Faria
Manuel Gomes
David Epstein
Ian R. White
2
+ Multiple Imputation for Nonresponse in Surveys 1987 Donald B. Rubin
2
+ Two‐stage tests for studying monotherapy and combination therapy in two‐by‐two factorial trials 1993 H. M. James Hung
2
+ Factorial designs in clinical trials: The effects of non‐compliance and subadditivity 1989 Erica Brittain
Janet Wittes
2
+ Bayesian Design and Analysis of Two x Two Factorial Clinical Trials 1997 Richard Simon
Laurence S. Freedman
2
+ PDF Chat A review of RCTs in four medical journals to assess the use of imputation to overcome missing data in quality of life outcomes 2008 Shona Fielding
Graeme MacLennan
Jonathan Cook
Craig Ramsay
1
+ Is a subgroup effect believable? Updating criteria to evaluate the credibility of subgroup analyses 2010 Xin Sun
Matthias Briel
Stephen D. Walter
Gordon Guyatt
1
+ PDF Chat Analysing randomised controlled trials with missing data: Choice of approach affects conclusions 2012 Shona Fielding
Peter Fayers
Craig Ramsay
1
+ Expected Value of Sample Information for Multi-Arm Cluster Randomized Trials with Binary Outcomes 2013 Nicky J. Welton
Jason Madan
Deborah M Caldwell
T. J. Peters
A. E. Ades
1
+ PDF Chat The analysis of multivariate longitudinal data: A review 2012 Geert Verbeke
Steffen Fieuws
Geert Molenberghs
Marie Davidian
1
+ Multiple imputation: current perspectives 2007 Michael G. Kenward
James R. Carpenter
1
+ Practical and statistical issues in missing data for longitudinal patient-reported outcomes 2013 Melanie L. Bell
Diane L. Fairclough
1
+ PDF Chat Including auxiliary item information in longitudinal data analyses improved handling missing questionnaire outcome data 2015 Iris Eekhout
Craig K. Enders
Jos W. R. Twisk
Michiel R. de Boer
Henrica C. W. de Vet
Martijn W. Heymans
1
+ ISSUES RELATED TO SUBGROUP ANALYSIS IN CLINICAL TRIALS 2002 Lu Cui
Hung Hung
Sue Jane Wang
Yi Tsong
1
+ PDF Chat Allowing for missing outcome data and incomplete uptake of randomised interventions, with application to an Internet‐based alcohol trial 2011 Ian R. White
Eleftheria Kalaitzaki
Simon G. Thompson
1
+ PDF Chat On the Assessment of Monte Carlo Error in Simulation-Based Statistical Analyses 2009 Elizabeth Koehler
Elizabeth R. Brown
Sebastien Haneuse
1
+ Patient-Reported Outcomes to Support Medical Product Labeling Claims: FDA Perspective 2007 Donald L. Patrick
Laurie B. Burke
John H. Powers
Jane Scott
Edwin P. Rock
Sahar Dawisha
Robert T. O’Neill
Dianne L. Kennedy
1
+ Subgroup analysis, covariate adjustment and baseline comparisons in clinical trial reporting: current practiceand problems 2002 Stuart J. Pocock
Susan E. Assmann
Laura E. Enos
Linda Kasten
1
+ An Application of Maximum Likelihood and Generalized Estimating Equations to the Analysis of Ordinal Data from a Longitudinal Study with Cases Missing at Random 1994 Michael G. Kenward
Emmanuel Lesaffre
Geert Molenberghs
1
+ Exploring Structural Uncertainty in Model-Based Economic Evaluations 2015 Hossein Haji Ali Afzali
Jonathan Karnon
1
+ Bayesian Statistics without Tears: A Sampling–Resampling Perspective 1992 A. F. M. Smith
Alan E. Gelfand
1
+ Missing data methods in longitudinal studies: a review 2009 Joseph G. Ibrahim
Geert Molenberghs
1
+ Assessing and interpreting treatment effects in longitudinal clinical trials with missing data 2003 Craig Mallinckrodt
T.M. Sanger
Sanjay Dubé
David J. DeBrota
Geert Molenberghs
Raymond J. Carroll
William Z. Potter
Gary D. Tollefson
1
+ PDF Chat A Comparison of Multiple Imputation and Doubly Robust Estimation for Analyses with Missing Data 2006 James R. Carpenter
Michael G. Kenward
Stijn Vansteelandt
1
+ Factorial and reciprocal control designs 1990 David P. Byar
1
+ PDF Chat Handling missing data in RCTs; a review of the top medical journals 2014 Melanie L. Bell
Mallorie H. Fiero
Nicholas J. Horton
Chiu‐Hsieh Hsu
1
+ PDF Chat Review: An examination of effect estimation in factorial and standardly-tailored designs 2008 Heather Allore
Terrence E. Murphy
1
+ PDF Chat Assessing Response Profiles from Incomplete Longitudinal Clinical Trial Data Under Regulatory Considerations 2003 Craig Mallinckrodt
W. Scott Clark
Raymond J. Carroll
Geert Molenberghs
1
+ Multiple imputation of discrete and continuous data by fully conditional specification 2007 Stef van Buuren
1
+ PDF Chat Developing Appropriate Methods for Cost-Effectiveness Analysis of Cluster Randomized Trials 2011 Manuel Gomes
Edmond S. W. Ng
Richard Grieve
Richard M. Nixon
James R. Carpenter
Simon G. Thompson
1
+ PDF Chat A review of the handling of missing longitudinal outcome data in clinical trials 2014 Matthew Powney
Paula Williamson
Jamie J Kirkham
Ruwanthi Kolamunnage‐Dona
1
+ PDF Chat Fully conditional specification in multivariate imputation 2006 Stef van Buuren
Jaap Brand
Catharina G. M. Groothuis‐Oudshoorn
Donald B. Rubin
1
+ PDF Chat A shorter form health survey: can the SF-12 replicate results from the SF-36 in longitudinal studies? 1997 Crispin Jenkinson
Richard Layte
Damian Jenkinson
K. Lawrence
Steffen Petersen
C. Paice
John Stradling
1
+ Multiple Imputation of Missing Values: New Features for Mim 2009 Patrick Royston
John B. Carlin
Ian R. White
1
+ Missing Data 2012 Iris Eekhout
Michiel R. de Boer
Jos W. R. Twisk
Henrica C. W. de Vet
Martijn W. Heymans
1
+ Evaluation of software for multiple imputation of semi-continuous data 2007 Ly‐Mee Yu
Andrea Burton
Oliver Rivero‐Arias
1
+ Missing Data Analysis: Making It Work in the Real World 2008 John W. Graham
1
+ Recommendations for the Primary Analysis of Continuous Endpoints in Longitudinal Clinical Trials 2008 Craig Mallinckrodt
P. W. Lane
Dan Schnell
Yahong Peng
James P. Mancuso
1
+ Multiple imputation: a primer 1999 Joseph L. Schafer
1
+ METHODS FOR COVARIATE ADJUSTMENT IN COST‐EFFECTIVENESS ANALYSIS THAT USE CLUSTER RANDOMISED TRIALS 2012 Manuel Gomes
Richard Grieve
Richard M. Nixon
Edmond S. W. Ng
James R. Carpenter
Simon G. Thompson
1
+ Analysis and Reporting of Factorial Trials 2003 Finlay A. McAlister
Sharon E. Straus
David L. Sackett
Douglas G. Altman
1
+ The Revised CONSORT Statement for Reporting Randomized Trials: Explanation and Elaboration 2001 D G Altman
1
+ PDF Chat Matching Methods for Causal Inference: A Review and a Look Forward 2010 Elizabeth A. Stuart
1
+ Multimodel Inference 2004 Kenneth P. Burnham
David R. Anderson
1
+ PDF Chat A modelling strategy for the analysis of clinical trials with partly missing longitudinal data 2003 Ian R. White
Erica E. M. Moodie
Simon G. Thompson
Tim Croudace
1
+ The impact of a preliminary test for interaction in a 2 × 2 factorial trial 1994 Tie‐Hua Ng
1
+ Direct likelihood analysis versus simple forms of imputation for missing data in randomized clinical trials 2005 Caroline Beunckens
Geert Molenberghs
Michael G. Kenward
1
+ PDF Chat Incorporating external evidence in trial-based cost-effectiveness analyses: the use of resampling methods 2014 Mohsen Sadatsafavi
Carlo A. Marra
Shawn D. Aaron
Stirling Bryan
1