Works by Carpenter, James R

Results: 87

Current Practices in Missing Data Handling for Interrupted Time Series Studies Performed on Individual-Level Data: A Scoping Review in Health Research.

Published in:

Clinical Epidemiology, 2021, v. 13, p. 603, doi. 10.2147/CLEP.S314020

By:

Bazo-Alvarez, Juan Carlos;
Morris, Tim P;
Carpenter, James R;
Petersen, Irene

Publication type:

Article

Handling Missing Values in Interrupted Time Series Analysis of Longitudinal Individual-Level Data.

Published in:

Clinical Epidemiology, 2020, v. 12, p. 1045, doi. 10.2147/CLEP.S266428

By:

Bazo-Alvarez, Juan Carlos;
Morris, Tim P;
Pham, Tra My;
Carpenter, James R;
Petersen, Irene

Publication type:

Article

Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database.

Published in:

Clinical Epidemiology, 2019, v. 11, p. 1081, doi. 10.2147/CLEP.S227621

By:

Pham, Tra My;
Carpenter, James R;
Morris, Tim P;
Sharma, Manuj;
Petersen, Irene

Publication type:

Article

Health indicator recording in UK primary care electronic health records: key implications for handling missing data.

Published in:

Clinical Epidemiology, 2019, v. 11, p. 157, doi. 10.2147/CLEP.S191437

By:

Petersen, Irene;
Welch, Catherine A;
Nazareth, Irwin;
Walters, Kate;
Marston, Louise;
Morris, Richard W;
Carpenter, James R;
Morris, Tim P;
Pham, Tra My

Publication type:

Article

Common Methods for Handling Missing Data in Marginal Structural Models: What Works and Why.

Published in:

American Journal of Epidemiology, 2021, v. 190, n. 4, p. 663, doi. 10.1093/aje/kwaa225

By:

Leyrat, Clémence;
Carpenter, James R;
Bailly, Sébastien;
Williamson, Elizabeth J

Publication type:

Article

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

Published in:

Pharmacoepidemiology & Drug Safety, 2010, v. 19, n. 6, p. 618, doi. 10.1002/pds.1934

By:

Marston, Louise;
Carpenter, James R.;
Walters, Kate R.;
Morris, Richard W.;
Nazareth, Irwin;
Petersen, Irene

Publication type:

Article

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

Published in:

Scandinavian Journal of Gastroenterology, 2005, v. 40, n. 9, p. 1081, doi. 10.1080/00365520510023215

By:

Chan, Chun-Wing;
Carpenter, James R.;
Rigamonti, Cristina;
Gunsar, Fulya;
Burroughs, Andrew K.

Publication type:

Article

Reference-based sensitivity analysis via multiple imputation for longitudinal trials with protocol deviation.

Published in:

Stata Journal, 2016, v. 16, n. 2, p. 443, doi. 10.1177/1536867x1601600211

By:

Cro, Suzie;
Morris, Tim P.;
Kenward, Michael G.;
Carpenter, James R.

Publication type:

Article

Two-stage nonparametric bootstrap sampling with shrinkage correction for clustered data.

Published in:

Stata Journal, 2013, v. 13, n. 1, p. 141, doi. 10.1177/1536867x1301300111

By:

Ng, Edmond S.-W.;
Grieve, Richard;
Carpenter, James R.

Publication type:

Article

Pattern Mixture Sensitivity Analyses via Multiple Imputations for Non‐Ignorable Dropout in Joint Modeling of Cognition and Risk of Dementia.

Published in:

Statistics in Medicine, 2025, v. 44, n. 6, p. 1, doi. 10.1002/sim.70040

By:

Gorbach, Tetiana;
Carpenter, James R.;
Frost, Chris;
Josefsson, Maria;
Nicholas, Jennifer;
Nyberg, Lars

Publication type:

Article

Reference‐Based Multiple Imputation for Longitudinal Binary Data.

Published in:

Statistics in Medicine, 2025, v. 44, n. 3/4, p. 1, doi. 10.1002/sim.10301

By:

Cro, Suzie;
Quartagno, Matteo;
White, Ian R.;
Carpenter, James R.

Publication type:

Article

A new approach to evaluating loop inconsistency in network meta‐analysis.

Published in:

Statistics in Medicine, 2023, v. 42, n. 27, p. 4917, doi. 10.1002/sim.9872

By:

Turner, Rebecca M.;
Band, Tim;
Morris, Tim P.;
Fisher, David J.;
Higgins, Julian P. T.;
Carpenter, James R.;
White, Ian R.

Publication type:

Article

Propensity score matching after multiple imputation when a confounder has missing data.

Published in:

Statistics in Medicine, 2023, v. 42, n. 7, p. 1082, doi. 10.1002/sim.9658

By:

Ségalas, Corentin;
Leyrat, Clémence;
Carpenter, James R.;
Williamson, Elizabeth

Publication type:

Article

Substantive model compatible multilevel multiple imputation: A joint modeling approach.

Published in:

Statistics in Medicine, 2022, v. 41, n. 25, p. 5000, doi. 10.1002/sim.9549

By:

Quartagno, Matteo;
Carpenter, James R.

Publication type:

Article

Training and capacity building in medical statistics in Sub‐Saharan Africa: Impact of the London School of Hygiene & Tropical Medicine MSc in Medical Statistics, 1969 to 2021.

Published in:

Statistics in Medicine, 2022, v. 41, n. 5, p. 838, doi. 10.1002/sim.9304

By:

Carpenter, James R.;
Todd, Jim;
Baisley, Kathy;
Bradley, John;
Tumwesigye, Nazarius Mbona;
Musonda, Patrick;
Chirwa, Tobias

Publication type:

Article

Authors' reply to "Comments on Identifying inconsistency in network meta-analysis: Is the net heat plot a reliable method?".

Published in:

2021

By:

Freeman, Suzanne C.;
Fisher, David;
White, Ian R.;
Carpenter, James R.

Publication type:

corrected article

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

Published in:

2020

By:

Cro, Suzie;
Morris, Tim P.;
Kenward, Michael G.;
Carpenter, James R.

Publication type:

journal article

Identifying inconsistency in network meta-analysis: Is the net heat plot a reliable method?

Published in:

2019

By:

Freeman, Suzanne C.;
Fisher, David;
White, Ian R.;
Auperin, Anne;
Carpenter, James R.

Publication type:

journal article

Population-calibrated multiple imputation for a binary/categorical covariate in categorical regression models.

Published in:

2019

By:

Pham, Tra My;
Carpenter, James R;
Morris, Tim P;
Wood, Angela M;
Petersen, Irene

Publication type:

journal article

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

Published in:

2018

By:

Morris, Tim P.;
Fisher, David J.;
Kenward, Michael G.;
Carpenter, James R.

Publication type:

journal article

Unleashing the full potential of digital outcome measures in clinical trials: eight questions that need attention.

Published in:

BMC Medicine, 2024, v. 22, n. 1, p. 1, doi. 10.1186/s12916-024-03590-x

By:

Tackney, Mia S.;
Carpenter, James R.;
Villar, Sofía S.

Publication type:

Article

A four-step strategy for handling missing outcome data in randomised trials affected by a pandemic.

Published in:

2020

By:

Cro, Suzie;
Morris, Tim P.;
Kahan, Brennan C.;
Cornelius, Victoria R.;
Carpenter, James R.

Publication type:

journal article

A novel bootstrap procedure for assessing the relationship between class size and achievement.

Published in:

Journal of the Royal Statistical Society: Series C (Applied Statistics), 2003, v. 52, n. 4, p. 431, doi. 10.1111/1467-9876.00415

By:

Carpenter, James R.;
Goldstein, Harvey;
Rasbash, Jon

Publication type:

Article

Digital endpoints in clinical trials: emerging themes from a multi-stakeholder Knowledge Exchange event.

Published in:

Trials, 2024, v. 25, n. 1, p. 1, doi. 10.1186/s13063-024-08356-7

By:

Tackney, Mia S.;
Steele, Amber;
Newman, Joseph;
Fritzsche, Marie-Christine;
Lucivero, Federica;
Khadjesari, Zarnie;
Lynch, Jennifer;
Abbott, Rosemary A.;
Barber, Vicki S.;
Carpenter, James R.;
Copsey, Bethan;
Davies, Elin H.;
Dixon, William G.;
Fox, Lisa;
González, Javier;
Griffiths, Jessica;
Hinchliffe, Chloe H. L.;
Kolanko, Magdalena A.;
McGagh, Dylan;
Rodriguez, Aryelly

Publication type:

Article

Clinical, health systems and neighbourhood determinants of tuberculosis case fatality in urban Blantyre, Malawi: a multilevel epidemiological analysis of enhanced surveillance data.

Published in:

Epidemiology & Infection, 2021, v. 149, p. 1, doi. 10.1017/S0950268821001862

By:

Khundi, McEwen;
MacPherson, Peter;
Feasey, Helena R. A.;
Nzawa Soko, Rebeca;
Nliwasa, Marriott;
Corbett, Elizabeth L.;
Carpenter, James R.

Publication type:

Article

Joint modelling rationale for chained equations.

Published in:

BMC Medical Research Methodology, 2014, v. 14, n. 1, p. 1, doi. 10.1186/1471-2288-14-28

By:

Hughes, Rachael A.;
White, Ian R.;
Seaman, Shaun R.;
Carpenter, James R.;
Tilling, Kate;
Sterne, Jonathan A. C.

Publication type:

Article

Joint modelling rationale for chained equations.

Published in:

2014

By:

Hughes, Rachael A;
White, Ian R;
Seaman, Shaun R;
Carpenter, James R;
Tilling, Kate;
Sterne, Jonathan Ac;
Sterne, Jonathan A C

Publication type:

journal article

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

Published in:

2008

By:

Rücker G;
Schwarzer G;
Carpenter JR;
Schumacher M;
Rücker, Gerta;
Schwarzer, Guido;
Carpenter, James R;
Schumacher, Martin

Publication type:

journal article

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

Published in:

Statistical Modelling: An International Journal, 2006, v. 6, n. 1, p. 23, doi. 10.1191/1471082X06st106oa

By:

Ng, Edmond S. W.;
Carpenter, James R.;
Goldstein, Harvey;
Rasbash, Jon

Publication type:

Article

Assessing uncertainty about parameter estimates with incomplete repeated ordinal data.

Published in:

Statistical Modelling: An International Journal, 2002, v. 2, n. 3, p. 203, doi. 10.1191/1471082x02st033oa

By:

Verzilli, Claudio J.;
Carpenter, James R.

Publication type:

Article

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

Published in:

Brain: A Journal of Neurology, 2011, v. 134, n. 11, p. e189, doi. 10.1093/brain/awr061

By:

Bartlett, Jonathan W.;
Frost, Chris;
Carpenter, James R.

Publication type:

Article

A framework for extending trial design to facilitate missing data sensitivity analyses.

Published in:

2020

By:

Mason, Alexina J.;
Grieve, Richard D.;
Richards-Belle, Alvin;
Mouncey, Paul R.;
Harrison, David A.;
Carpenter, James R.

Publication type:

journal article

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

Published in:

Biometrical Journal, 2011, v. 53, n. 2, p. 351, doi. 10.1002/bimj.201000151

By:

Rücker, Gerta;
Carpenter, James R.;
Schwarzer, Guido

Publication type:

Article

Mineral Composition and Soil-Plant Relationships for Common Guava ( Psidium guajava L.) and Yellow Strawberry Guava ( Psidium cattleianum var. lucidum) Tree Parts and Fruits.

Published in:

Communications in Soil Science & Plant Analysis, 2015, v. 46, n. 15, p. 1960, doi. 10.1080/00103624.2015.1069310

By:

Adrian, Julie Ann Luiz;
Arancon, Norman Q.;
Mathews, Bruce W.;
Carpenter, James R.

Publication type:

Article

Handling Missing Values in Surveys With Complex Study Design: A Simulation Study.

Published in:

Journal of Survey Statistics & Methodology, 2024, v. 12, n. 1, p. 105, doi. 10.1093/jssam/smac039

By:

Kalpourtzi, Natasa;
Carpenter, James R;
Touloumi, Giota

Publication type:

Article

Handling intercurrent events and missing data in non-inferiority trials using the estimand framework: A tuberculosis case study.

Published in:

Clinical Trials, 2023, v. 20, n. 5, p. 497, doi. 10.1177/17407745231176773

By:

Rehal, Sunita;
Cro, Suzie;
Phillips, Patrick PJ;
Fielding, Katherine;
Carpenter, James R

Publication type:

Article

Rethinking intercurrent events in defining estimands for tuberculosis trials.

Published in:

Clinical Trials, 2022, v. 19, n. 5, p. 522, doi. 10.1177/17407745221103853

By:

Pham, Tra My;
Tweed, Conor D;
Carpenter, James R;
Kahan, Brennan C;
Nunn, Andrew J;
Crook, Angela M;
Esmail, Hanif;
Goodall, Ruth;
Phillips, Patrick PJ;
White, Ian R

Publication type:

Article

The DURATIONS randomised trial design: Estimation targets, analysis methods and operating characteristics.

Published in:

Clinical Trials, 2020, v. 17, n. 6, p. 644, doi. 10.1177/1740774520944377

By:

Quartagno, Matteo;
Carpenter, James R;
Walker, A Sarah;
Clements, Michelle;
Parmar, Mahesh KB

Publication type:

Article

Rethinking non-inferiority: a practical trial design for optimising treatment duration.

Published in:

Clinical Trials, 2018, v. 15, n. 5, p. 477, doi. 10.1177/1740774518778027

By:

Quartagno, Matteo;
Walker, A. Sarah;
Carpenter, James R.;
Phillips, Patrick P. J.;
Parmar, Mahesh KB

Publication type:

Article

Handling Partially Observed Trial Data After Treatment Withdrawal: Introducing Retrieved Dropout Reference‐Base Centred Multiple Imputation.

Published in:

Pharmaceutical Statistics, 2024, v. 23, n. 6, p. 1095, doi. 10.1002/pst.2416

By:

Cro, Suzie;
Roger, James H.;
Carpenter, James R.

Publication type:

Article

Comments on 'standard and reference‐based conditional mean imputation': Regulators and trial statisticians be aware!

Published in:

Pharmaceutical Statistics, 2024, v. 23, n. 5, p. 598, doi. 10.1002/pst.2373

By:

Cro, Suzie;
Morris, Tim P.;
Roger, James H.;
Carpenter, James R.

Publication type:

Article

Reference‐based sensitivity analysis for time‐to‐event data.

Published in:

Pharmaceutical Statistics, 2019, v. 18, n. 6, p. 645, doi. 10.1002/pst.1954

By:

Atkinson, Andrew;
Kenward, Michael G.;
Clayton, Tim;
Carpenter, James R.

Publication type:

Article

THE AUTHORS REPLY.

Published in:

American Journal of Epidemiology, 2016, v. 184, n. 2, p. 161, doi. 10.1093/aje/kww067

By:

Bartlett, Jonathan W.;
Harel, Ofer;
Carpenter, James R.

Publication type:

Article

RE: "ASYMPTOTICALLY UNBIASED ESTIMATION OF EXPOSURE ODDS RATIOS IN COMPLETE RECORDS LOGISTIC REGRESSION".

Published in:

2016

By:

Cologne, John;
Kyoji Furukawa;
Bartlett, Jonathan W.;
Harel, Ofer;
Carpenter, James R.

Publication type:

Letter to the Editor

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

Published in:

American Journal of Epidemiology, 2015, v. 182, n. 8, p. 730, doi. 10.1093/aje/kwv114

By:

Bartlett, Jonathan W.;
Harel, Ofer;
Carpenter, James R.

Publication type:

Article

Information anchored reference‐based sensitivity analysis for truncated normal data with application to survival analysis.

Published in:

Statistica Neerlandica, 2021, v. 75, n. 4, p. 500, doi. 10.1111/stan.12250

By:

Atkinson, Andrew;
Cro, Suzie;
Carpenter, James R.;
Kenward, Michael G.

Publication type:

Article

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

Published in:

Research Synthesis Methods, 2017, v. 8, n. 4, p. 451, doi. 10.1002/jrsm.1253

By:

Freeman, Suzanne C.;
Carpenter, James R.

Publication type:

Article

Neighbourhood prevalence-to-notification ratios for adult bacteriologically-confirmed tuberculosis reveals hotspots of underdiagnosis in Blantyre, Malawi.

Published in:

PLoS ONE, 2022, v. 17, n. 5, p. 1, doi. 10.1371/journal.pone.0268749

By:

Khundi, McEwen;
Carpenter, James R.;
Corbett, Elizabeth L.;
Feasey, Helena R. A.;
Soko, Rebecca Nzawa;
Nliwasa, Marriott;
Twabi, Hussein;
Chiume, Lingstone;
Burke, Rachael M.;
Horton, Katherine C.;
Dodd, Peter J.;
Cohen, Ted;
MacPherson, Peter

Publication type:

Article

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

Published in:

2007

By:

Carpenter, James R.;
Kenward, Michael G.;
White, Ian R.

Publication type:

journal article

Medications for chronic obstructive pulmonary disease: a historical non-interventional cohort study with validation against RCT results.

Published in:

Health Technology Assessment, 2021, v. 25, n. 51, p. vii, doi. 10.3310/hta25510

By:

Wing, Kevin;
Williamson, Elizabeth;
Carpenter, James R.;
Wise, Lesley;
Schneeweiss, Sebastian;
Smeeth, Liam;
Quint, Jennifer K.;
Douglas, Ian

Publication type:

Article