Items where Author is "Bartlett, Jonathan"
Number of items: 68.
2022
They built this city-construction workers injured in Delhi, India: cross-sectional analysis of First Information Reports of the Delhi Police 2016-2018. (2022)
Edwards, Phil; Yadav, Sajjan; Bartlett, Jonathan; Porter, John
Multiple imputation of partially observed covariates in discrete-time survival analysis. (2022)
Haensch, Anna-Carolina; Bartlett, Jonathan; Weiß, Bernd
Hypothetical Estimands in Clinical Trials: A Unification of Causal Inference and Missing Data Methods. (2022)
Olarte Parra, Camila; Daniel, Rhian M; Bartlett, Jonathan W
Estimands and their Estimators for Clinical Trials Impacted by the COVID-19 Pandemic: A Report from the NISS Ingram Olkin Forum Series on Unplanned Clinical Trial Disruptions. (2022)
Van Lancker, Kelly; Tarima, Sergey; Bartlett, Jonathan; Bauer, Madeline; Bharani-Dharan, Bharani; Bretz, Frank; Flournoy, Nancy; Michiels, Hege; Olarte Parra, Camila; Rosenberger, James L; Cro, Suzie
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Standard and reference-based conditional mean imputation. (2022)
Wolbers, Marcel; Noci, Alessandro; Delmar, Paul; Gower-Page, Craig; Yiu, Sean; Bartlett, Jonathan W
2020
Bootstrap inference for multiple imputation under uncongeniality and misspecification. (2020)
Bartlett, Jonathan W; Hughes, Rachael A
The Hazards of Period Specific and Weighted Hazard Ratios. (2020)
Bartlett, Jonathan W; Morris, Tim P; Stensrud, Mats J; Daniel, Rhian M; Vansteelandt, Stijn K; Burman, Carl-Fredrik
Epidemiology of construction site injuries in Delhi, India: protocol for a retrospective cohort study. (2020)
Yadav, Sajjan S; Edwards, Phil; Bartlett, Jonathan; Porter, John
2014
Improving upon the efficiency of complete case analysis when covariates are MNAR. (2014)
Bartlett, Jonathan W; Carpenter, James R; Tilling, Kate; Vansteelandt, Stijn
Multiple imputation of covariates by fully conditional specification: Accommodating the substantive model. (2014)
Bartlett, Jonathan W; Seaman, Shaun R; White, Ian R; Carpenter, James R; Alzheimer's Disease Neuroimaging Initiative*
Automated template-based hippocampal segmentations from MRI: the effects of 1.5T or 3T field strength on accuracy. (2014)
Macdonald, Kate E; Leung, Kelvin K; Bartlett, Jonathan W; Blair, Melanie; Malone, Ian B; Barnes, Josephine; Ourselin, Sebastien; Fox, Nick C; Alzheimer’s Disease Neuroimaging Initiative
APOE ε4 is associated with disproportionate progressive hippocampal atrophy in AD. (2014)
Manning, Emily N; Barnes, Josephine; Cash, David M; Bartlett, Jonathan W; Leung, Kelvin K; Ourselin, Sebastien; Fox, Nick C; Alzheimer's Disease NeuroImaging Initiative
AAIC abstract: Impact of baseline adjustment for vascular risk factors on sample size for atrophy outcomes in Alzheimer's disease clinical trials. (2014)
Nicholas, J; Meade, T; Fiford, C; Manning, EN; Carmichael, O; Biessels, GJ; Bartlett, Jonathan; Fox, NC; Frost, C; Barnes, J
Cerebrospinal fluid markers including trefoil factor 3 are associated with neurodegeneration in amyloid-positive individuals. (2014)
Paterson, RW; Bartlett, JW; Blennow, K; Fox, NC; Alzheimer's Disease Neuroimaging Initiative; Shaw, LM; Trojanowski, JQ; Zetterberg, H; Schott, JM
Comparison of random forest and parametric imputation models for imputing missing data using MICE: a CALIBER study. (2014)
Shah, Anoop D; Bartlett, Jonathan W; Carpenter, James; Nicholas, Owen; Hemingway, Harry
CSF neurofilament light differs in neurodegenerative diseases and predicts severity and survival. (2014)
Skillbäck, Tobias; Farahmand, Bahman; Bartlett, Jonathan W; Rosén, Christoffer; Mattsson, Niklas; Nägga, Katarina; Kilander, Lena; Religa, Dorota; Wimo, Anders; Winblad, Bengt; Rosengren, Lars; Schott, Jonathan M; Blennow, Kaj; Eriksdotter, Maria; Zetterberg, Henrik
Evaluation of two-fold fully conditional specification multiple imputation for longitudinal electronic health record data. (2014)
Welch, Catherine A; Petersen, Irene; Bartlett, Jonathan W; White, Ian R; Marston, Louise; Morris, Richard W; Nazareth, Irwin; Walters, Kate; Carpenter, James
Application of multiple imputation using the two-fold fully conditional specification algorithm in longitudinal clinical data. (2014)
Welch, Catherine; Bartlett, Jonathan; Petersen, Irene
2013
Targeted recruitment using cerebrospinal fluid biomarkers: implications for Alzheimer's disease therapeutic trials. (2013)
Barnes, Josephine; Bartlett, Jonathan W; Fox, Nick C; Schott, Jonathan M
Vascular and Alzheimer's disease markers independently predict brain atrophy rate in Alzheimer's Disease Neuroimaging Initiative controls. (2013)
Barnes, Josephine; Carmichael, Owen T; Leung, Kelvin K; Schwarz, Christopher; Ridgway, Gerard R; Bartlett, Jonathan W; Malone, Ian B; Schott, Jonathan M; Rossor, Martin N; Biessels, Geert Jan; DeCarli, Charlie; Fox, Nick C; Alzheimer's Disease Neuroimaging Initiative
Socioeconomic and early-life factors and risk of being overweight or obese in children of Swedish- and foreign-born parents. (2013)
Khanolkar, Amal R; Sovio, Ulla; Bartlett, Jonathan W; Wallby, Thomas; Koupil, Ilona
Visual ratings of atrophy in MCI: prediction of conversion and relationship with CSF biomarkers. (2013)
Lehmann, Manja; Koedam, Esther L; Barnes, Josephine; Bartlett, Jonathan W; Barkhof, Frederik; Wattjes, Mike P; Schott, Jonathan M; Scheltens, Philip; Fox, Nick C; Alzheimer's Disease Neuroimaging Initiative
Cerebral atrophy in mild cognitive impairment and Alzheimer disease: rates and acceleration. (2013)
Leung, Kelvin K; Bartlett, Jonathan W; Barnes, Josephine; Manning, Emily N; Ourselin, Sebastien; Fox, Nick C; Alzheimer's Disease Neuroimaging Initiative
Genetic influences on atrophy patterns in familial Alzheimer's disease: a comparison of APP and PSEN1 mutations. (2013)
Scahill, Rachael I; Ridgway, Gerard R; Bartlett, Jonathan W; Barnes, Josephine; Ryan, Natalie S; Mead, Simon; Beck, Jonathan; Clarkson, Matthew J; Crutch, Sebastian J; Schott, Jonathan M; Ourselin, Sebastien; Warren, Jason D; Hardy, John; Rossor, Martin N; Fox, Nick C
2012
Gray matter atrophy rate as a marker of disease progression in AD. (2012)
Anderson, Valerie M; Schott, Jonathan M; Bartlett, Jonathan W; Leung, Kelvin K; Miller, David H; Fox, Nick C
Determining cut-points for Alzheimer's disease biomarkers: statistical issues, methods and challenges. (2012)
Bartlett, Jonathan W; Frost, Chris; Mattsson, Niklas; Skillbäck, Tobias; Blennow, Kaj; Zetterberg, Henrik; Schott, Jonathan M
Accent processing in dementia. (2012)
Hailstone, Julia C; Ridgway, Gerard R; Bartlett, Jonathan W; Goll, Johanna C; Crutch, Sebastian J; Warren, Jason D
The value of hippocampal and temporal horn volumes and rates of change in predicting future conversion to AD. (2012)
Macdonald, Kate E; Bartlett, Jonathan W; Leung, Kelvin K; Ourselin, Sebastien; Barnes, Josephine; ADNI investigators
Do the effects of psychological treatments on improving glycemic control in type 1 diabetes persist over time? A long-term follow-up of a randomized controlled trial. (2012)
Ridge, Katie; Bartlett, Jonathan; Cheah, Yee; Thomas, Stephen; Lawrence-Smith, Geoffrey; Winkley, Kirsty; Ismail, Khalida
Investigating missing data in Alzheimer disease studies. (2012)
Schott, Jonathan M; Bartlett, Jonathan W
Multiple imputation of missing covariates with non-linear effects and interactions: an evaluation of statistical methods. (2012)
Seaman, Shaun R; Bartlett, Jonathan W; White, Ian R
2011
Multiple imputation models should incorporate the outcome in the model of interest. (2011)
Bartlett, Jonathan W; Frost, Chris; Carpenter, James R
Multiple Imputation for Missing Data in Electronic Health Databases: Practical Issues and Some Solutions. (2011)
Carpenter, J; Petersen, I; Welch, C; Bartlett, Jonathan; Walters, K; Morris, R; White, I; Marston, L; Nazareth, I
Voice processing in dementia: a neuropsychological and neuroanatomical analysis. (2011)
Hailstone, Julia C; Ridgway, Gerard R; Bartlett, Jonathan W; Goll, Johanna C; Buckley, Aisling H; Crutch, Sebastian J; Warren, Jason D
Brain MAPS: an automated, accurate and robust brain extraction technique using a template library. (2011)
Leung, Kelvin K; Barnes, Josephine; Modat, Marc; Ridgway, Gerard R; Bartlett, Jonathan W; Fox, Nick C; Ourselin, Sébastien; Alzheimer's Disease Neuroimaging Initiative
The structural neuroanatomy of music emotion recognition: evidence from frontotemporal lobar degeneration. (2011)
Omar, Rohani; Henley, Susie MD; Bartlett, Jonathan W; Hailstone, Julia C; Gordon, Elizabeth; Sauter, Disa A; Frost, Chris; Scott, Sophie K; Warren, Jason D
2010
Head size, age and gender adjustment in MRI studies: a necessary nuisance? (2010)
Barnes, Josephine; Ridgway, Gerard R; Bartlett, Jonathan; Henley, Susie MD; Lehmann, Manja; Hobbs, Nicola; Clarkson, Matthew J; MacManus, David G; Ourselin, Sebastien; Fox, Nick C
A randomised controlled trial of cognitive behaviour therapy and motivational interviewing for people with Type 1 diabetes mellitus with persistent sub-optimal glycaemic control: a Diabetes and Psychological Therapies (ADaPT) study. (2010)
Ismail, K; Maissi, E; Thomas, S; Chalder, T; Schmidt, U; Bartlett, J; Patel, A; Dickens, C; Creed, F; Treasure, J
Automated cross-sectional and longitudinal hippocampal volume measurement in mild cognitive impairment and Alzheimer's disease. (2010)
Leung, Kelvin K; Barnes, Josephine; Ridgway, Gerard R; Bartlett, Jonathan W; Clarkson, Matthew J; Macdonald, Kate; Schuff, Norbert; Fox, Nick C; Ourselin, Sebastien; Alzheimer's Disease Neuroimaging Initiative
Robust atrophy rate measurement in Alzheimer's disease using multi-site serial MRI: tissue-specific intensity normalization and parameter selection. (2010)
Leung, Kelvin K; Clarkson, Matthew J; Bartlett, Jonathan W; Clegg, Shona; Jack, Clifford R; Weiner, Michael W; Fox, Nick C; Ourselin, Sébastien; Alzheimer's Disease Neuroimaging Initiative
Reduced sample sizes for atrophy outcomes in Alzheimer's disease trials: baseline adjustment. (2010)
Schott, JM; Bartlett, JW; Barnes, J; Leung, KK; Ourselin, S; Fox, NC; Alzheimer's Disease Neuroimaging Initiative investigators
Increased brain atrophy rates in cognitively normal older adults with low cerebrospinal fluid Aβ1-42. (2010)
Schott, Jonathan M; Bartlett, Jonathan W; Fox, Nick C; Barnes, Josephine; Alzheimer's Disease Neuroimaging Initiative Investigators
2009
A meta-analysis of hippocampal atrophy rates in Alzheimer's disease. (2009)
Barnes, Josephine; Bartlett, Jonathan W; van de Pol, Laura A; Loy, Clement T; Scahill, Rachael I; Frost, Chris; Thompson, Paul; Fox, Nick C
Linear mixed models for replication data to efficiently allow for covariate measurement error. (2009)
Bartlett, Jonathan W; De Stavola, Bianca L; Frost, Chris
2008
Assessing the contribution of fibrinogen in predicting risk of death in men with peripheral arterial disease. (2008)
Bartlett, JW; De Stavola, BL; Meade, TW
Reliability, repeatability and reproducibility: analysis of measurement errors in continuous variables. (2008)
Bartlett, JW; Frost, C
Re: "Effects of past and recent blood pressure and cholesterol level on coronary heart disease and stroke mortality, accounting for measurement error". (2008)
Bartlett, Jonathan; De Stavola, Bianca; White, Ian; Frost, Chris
Motivational enhancement therapy with and without cognitive behavior therapy to treat type 1 diabetes: a randomized trial. (2008)
Ismail, Khalida; Thomas, Stephen M; Maissi, Esther; Chalder, Trudie; Schmidt, Ulrike; Bartlett, Jonathan; Patel, Anita; Dickens, Christopher M; Creed, Francis; Treasure, Janet
2007
Detecting treatment effects on brain atrophy in relapsing remitting multiple sclerosis: sample size estimates. (2007)
Anderson, Valerie M; Bartlett, Jonathan W; Fox, Nick C; Fisniku, Leonora; Miller, David H
Automated measurement of hippocampal atrophy using fluid-registered serial MRI in AD and controls. (2007)
Barnes, Josephine; Lewis, Emma B; Scahill, Rachael I; Bartlett, Jonathan W; Frost, Chris; Schott, Jonathan M; Rossor, Martin N; Fox, Nick C
A diabetes and psychological treatments study (ADaPT): Preliminary results from a randomised controlled trial. (2007)
Ismail, K; Thomas, SM; Chalder, T; Dickens, C; Creed, E; Maissi, E; Bartlett, Jonathan; Schmidt, U; Patel, A; Treasure, J
2006
Sample size estimates based on hierarchical regression models of atrophy rates in relapsing-remitting multiple sclerosis. (2006)
Anderson, VM; Bartlett, Jonathan; Fisniku, L; Davies, GR; Rashid, W; Fox, NC; Miller, DH
Tracking atrophy progression in familial Alzheimer's disease: a serial MRI study. (2006)
Ridha, Basil H; Barnes, Josephine; Bartlett, Jonathan W; Godbolt, Alison; Pepple, Tracey; Rossor, Martin N; Fox, Nick C
Highlighting the methodology. (2006)
Shah, SP; Bartlett, JW; Frost, C