Search filters

List of works by James Carpenter

A Bayesian framework for health economic evaluation in studies with missing data

scientific article published on 03 July 2018

A brief measure of perceived understanding of informed consent in a clinical trial was validated

scientific article published on 24 March 2006

A new risk prediction model for critical care: The Intensive Care National Audit & Research Centre (ICNARC) model*

article

Access to routinely collected health data for clinical trials - review of successful data requests to UK registries

scientific article published on 12 May 2020

Adjusting treatment comparisons to account for non-randomized interventions: an example from an angina trial

scientific article published on March 2003

An experimental study of the influence of individual participant characteristics on formal consensus development

scientific article published on January 2007

Analysis of Incomplete Data Using Inverse Probability Weighting and Doubly Robust Estimators

article

Analysis of longitudinal trials with protocol deviation: a framework for relevant, accessible assumptions, and inference via multiple imputation

scientific article

Appropriate inclusion of interactions was needed to avoid bias in multiple imputation.

scientific article published on 18 July 2016

Arcsine test for publication bias in meta-analyses with binary outcomes

scientific article published in February 2008

Are large trials less reliable than small trials?

scientific article published on 28 May 2009

Assessing parameter uncertainty via bootstrap likelihood ratio confidence regions

article by James Carpenter published October 1998 in Journal of Applied Statistics

Assessing the sensitivity of meta-analysis to selection bias: a multiple imputation approach.

scientific article

Assessing uncertainty about parameter estimates with incomplete repeated ordinal data

article

Asymptotically Unbiased Estimation of Exposure Odds Ratios in Complete Records Logistic Regression

scientific article

Bayesian one-step IPD network meta-analysis of time-to-event data using Royston-Parmar models.

scientific article

Bed sharing when parents do not smoke: is there a risk of SIDS? An individual level analysis of five major case–control studies ⬇️

scientific article published on May 28, 2013

Bespoke cohort studies needed

scientific article published in the British Medical Journal

Can We Improve the Statistical Analysis of Stroke Trials?

article

Care homes' use of medicines study: prevalence, causes and potential harm of medication errors in care homes for older people ⬇️

scientific article published on October 2009

Combining fractional polynomial model building with multiple imputation

scientific article published on 10 June 2015

Commentary: on Bayesian perspectives for epidemiological research

scientific article published in June 2006

Comments on 'Fixed vs random effects meta-analysis in rare event studies: the rosiglitazone link with myocardial infarction and cardiac death'.

scientific article published in August 2008

Comments on ‘Empirical vs natural weighting in random effects meta-analysis’ by JJ Shuster, Statistics in Medicine 2009; 26, Published online, DOI: 10.1002/sim.3607

scientific article published on 01 December 2010

Comparison of imputation and modelling methods in the analysis of a physical activity trial with missing outcomes

scientific article published on 27 August 2004

Comparison of random forest and parametric imputation models for imputing missing data using MICE: a CALIBER study.

scientific article

Complete-cases analysis is appropriate for randomised trials with pre-test–post-test designs

scientific article published on 25 June 2009

Consumer involvement in consent document development: a multicenter cluster randomized trial to assess study participants' understanding

scientific article published in January 2006

Coping with missing data in clinical trials: a model-based approach applied to asthma trials

scientific article

Correcting bias due to missing stage data in the non-parametric estimation of stage-specific net survival for colorectal cancer using multiple imputation

scientific article published on 15 March 2017

Corrigendum: Improving upon the efficiency of complete case analysis when covariates are MNAR (10.1093/biostatistics/kxu023).

scientific article published on January 2015

Design of cohort studies in chronic diseases using routinely collected databases when a prescription is used as surrogate outcome

scientific article

Detecting and adjusting for small-study effects in meta-analysis

scientific article

Developing appropriate methods for cost-effectiveness analysis of cluster randomized trials

scientific article published on 19 October 2011

Development of a practical approach to expert elicitation for randomised controlled trials with missing health outcomes: Application to the IMPROVE trial

scientific article

Development of paediatric quality of inpatient care indicators for low-income countries - A Delphi study

scientific article

Discussion on 'Testing small study effects in multivariate meta-analysis' by Chuan Hong, Georgia Salanti, Sally Morton, Richard Riley, Haitao Chu, Stephen E Kimmel and Yong Chen

scientific article published on 29 August 2020

Effect of a multi-faceted quality improvement intervention on inappropriate antibiotic use in children with non-bloody diarrhoea admitted to district hospitals in Kenya

scientific article

Eliciting and using expert opinions about dropout bias in randomized controlled trials

scientific article published on January 2007

Empirical evaluation showed that the Copas selection model provided a useful summary in 80% of meta-analyses.

scientific article published on 12 March 2009

Empirical evaluation suggests Copas selection model preferable to trim-and-fill method for selection bias in meta-analysis.

scientific article published in March 2010

Estimating excess hazard ratios and net survival when covariate data are missing: strategies for multiple imputation

scientific article

Estimation in generalised linear mixed models with binary outcomes by simulated maximum likelihood

article

Evaluation of two-fold fully conditional specification multiple imputation for longitudinal electronic health record data

scientific article

Fractional Brownian motion and multivariate-t models for longitudinal biomedical data, with application to CD4 counts in HIV-positive patients

scientific article

Identification of risk factors by systematic review and development of risk-adjusted models for surgical site infection

scientific article published on September 2011

Identifying influential observations in Bayesian models by using Markov chain Monte Carlo

scientific article

Improving upon the efficiency of complete case analysis when covariates are MNAR.

scientific article

Including all individuals is not enough: Lessons for intention-to-treat analysis ⬇️

scientific article published on July 2, 2012

Is there an anti-inflammatory effect of statins in rheumatoid arthritis? Analysis of a large routinely collected claims database

scientific article

Issues in multiple imputation of missing data for large general practice clinical databases

scientific article

Joint modelling rationale for chained equations

scientific article

Last observation carry-forward and last observation analysis

article

Long-term ursodeoxycholic acid therapy for primary biliary cirrhosis: a follow-up to 12 years.

scientific article published in February 2005

Meta-analysis of Gaussian individual patient data: two-stage or not two-stage?

scientific article

Meta-analytical methods to identify who benefits most from treatments: daft, deluded, or deft approach?

scientific article published on 3 March 2017

Methods for covariate adjustment in cost-effectiveness analysis that use cluster randomised trials

scientific article published on 28 March 2012

Missing covariate data in clinical research: when and when not to use the missing-indicator method for analysis

scientific article

Missing data in clinical research: an integrated approach

scientific article published in December 2017

Missing data in trial-based cost-effectiveness analysis: An incomplete journey.

scientific article published on 24 March 2018

Missing data: discussion points from the PSI missing data expert group

scientific article

Modelling relative survival in the presence of incomplete data: a tutorial

scientific article

More multiarm randomised trials of superiority are needed

scientific article published on July 2014

Multilevel models for cost-effectiveness analyses that use cluster randomised trial data: An approach to model choice

scientific article

Multilevel models with multivariate mixed response types

article

Multiple imputation for IPD meta-analysis: allowing for heterogeneity and studies with missing covariates

scientific article

Multiple imputation for missing data in epidemiological and clinical research: potential and pitfalls

scientific article

Multiple imputation models should incorporate the outcome in the model of interest

scientific article published on 6 June 2011

Multiple imputation of covariates by fully conditional specification: Accommodating the substantive model

scientific article published on 12 February 2014

Multiple imputation using linked proxy outcome data resulted in important bias reduction and efficiency gains: a simulation study. ⬇️

scientific article published on 19 December 2017

Multiple imputation: current perspectives

scientific article published on June 2007

Non-inferiority trials: are they inferior? A systematic review of reporting in major medical journals

scientific article

Optimal CD4 count for initiating HIV treatment: impact of CD4 observation frequency and grace periods, and performance of dynamic marginal structural models

scientific article published on March 2014

Pleural mesothelioma and lung cancer risks in relation to occupational history and asbestos lung burden

scientific article published on 29 December 2015

Practical considerations for sensitivity analysis after multiple imputation applied to epidemiological studies with incomplete data

scientific article

Predicting the advent of ascites and other complications in primary biliary cirrhosis: a staged model approach.

scientific article published on 10 December 2009

Propensity score analysis with partially observed covariates: How should multiple imputation be used?

scientific article published on January 2017

Propensity scores: from naive enthusiasm to intuitive understanding

scientific article published on 24 January 2011

ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions

scientific article published on 12 October 2016

Recalibration of risk prediction models in a large multicenter cohort of admissions to adult, general critical care units in the United Kingdom*

article

Rejoinder

scientific article published on 18 May 2017

Relaxing the independent censoring assumption in the Cox proportional hazards model using multiple imputation.

scientific article

Response to comments by Seaman et al. on "Analysis of longitudinal trials with protocol deviation: a framework for relevant, accessible assumptions, and inference via multiple imputation," Journal of Biopharmaceutical Statistics 23:1352-1371.

scientific article

Risk of mortality and cardiovascular events following macrolide prescription in chronic rhinosinusitis patients: a cohort study using linked primary care electronic health records

scientific article published on 01 August 2019

STRengthening analytical thinking for observational studies: the STRATOS initiative

scientific article

Sensitivity analysis after multiple imputation under missing at random: a weighting approach

scientific article published on June 2007

Sensitivity analysis for clinical trials with missing continuous outcome data using controlled multiple imputation: A practical guide

scientific article published on 17 May 2020

Should baseline be a covariate or dependent variable in analyses of change from baseline in clinical trials? by G. F. Liu, K. Lu, R. Mogg, M. Mallick and D. V. Mehrotra, Statistics in Medicine 2009; 28:2509-2530

scientific article published on 01 June 2010

Smoker, ex-smoker or non-smoker? The validity of routinely recorded smoking status in UK primary care: a cross-sectional study

scientific article

Special issue marking 40 years of the MSc Medical Statistics at the London School of Hygiene & Tropical Medicine ⬇️

scientific article published on June 1, 2012

Statistical methods for non-adherence in non-inferiority trials: useful and used? A systematic review

scholarly article

Statistically significant papers in psychiatry were cited more often than others

scientific article (publication date: September 2007)

Strategies for Multiple Imputation in Longitudinal Studies

scientific article published on 08 July 2010

Strategy for intention to treat analysis in randomised trials with missing outcome data

scientific article

Survival following the development of ascites and/or peripheral oedema in primary biliary cirrhosis: a staged prognostic model

scientific article

The Authors Reply

scientific article published on 29 June 2016

The Complementary Exponentiated Exponential Geometric Lifetime Distribution

The influence of formulation and medicine delivery system on medication administration errors in care homes for older people

scientific article published on 7 February 2011

The performance of multiple imputation for missing covariates relative to complete case analysis

scientific article published in May 2010

The relationship between quality of research and citation frequency

scientific article published in September 2006

The use of regression models for medians when observed outcomes may be modified by interventions

scientific article published on April 2003

Treatment-effect estimates adjusted for small-study effects via a limit meta-analysis

scientific article published on 22 July 2010

Two-stage method to remove population- and individual-level outliers from longitudinal data in a primary care database.

scientific article

Undue reliance on I(2) in assessing heterogeneity may mislead

scientific article

Unintended Consequences of mHealth Interactive Voice Messages Promoting Contraceptive Use After Menstrual Regulation in Bangladesh: Intimate Partner Violence Results From a Randomized Controlled Trial

scientific article published on 26 September 2019

Ursodeoxycholic acid improves bilirubin but not albumin in primary biliary cirrhosis: further evidence for nonefficacy

scientific article published on 24 July 2013

Using SAS to conduct nonparametric residual bootstrap multilevel modeling with a small number of groups

scientific article published on 29 March 2006

Using automated voice messages linked to telephone counselling to increase post-menstrual regulation contraceptive uptake and continuation in Bangladesh: study protocol for a randomised controlled trial

scientific article published on 3 October 2017

Variance estimation for stratified propensity score estimators

scientific article published on 24 February 2012

Variation in colon cancer survival for patients living and receiving care in London, 2006-2013: does where you live matter?

scientific article published on 16 August 2021

Variceal bleeding in primary biliary cirrhosis patients: a subgroup with improved prognosis and a model to predict survival after first bleeding

article

Verteporfin photodynamic therapy cohort study: report 1: effectiveness and factors influencing outcomes

scientific article published in December 2009

Verteporfin photodynamic therapy cohort study: report 2: clinical measures of vision and health-related quality of life

scientific article

Verteporfin photodynamic therapy cohort study: report 3: cost effectiveness and lessons for future evaluations

scientific article published on December 2009

Verteporfin photodynamic therapy for neovascular age-related macular degeneration: cohort study for the UK.

scientific article

What impact do assumptions about missing data have on conclusions? A practical sensitivity analysis for a cancer survival registry.

scientific article

Why add anything to nothing? The arcsine difference as a measure of treatment effect in meta-analysis with zero cells

scientific article

Winter excess mortality in intensive care in the UK: an analysis of outcome adjusted for patient case mix and unit workload

article

Paulina is supported by:

About Paulina

Help