Publications by authors named "Maarten van Smeden"

53Publications

Time to reality check the promises of machine learning-powered precision medicine.

Lancet Digit Health 2020 Dec 16;2(12):e677-e680. Epub 2020 Sep 16.

Leeds Institute for Data Analytics, University of Leeds, Leeds, UK; Faculty of Medicine and Health, University of Leeds, Leeds, UK; Alan Turing Institute, London, UK.

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December 2020

A Workflow for Missing Values Imputation of Untargeted Metabolomics Data.

Metabolites 2020 Nov 26;10(12). Epub 2020 Nov 26.

Department of Clinical Epidemiology, Leiden University Medical Center, Postal Zone C7-P, PO Box 9600, 2300 RC Leiden, The Netherlands.

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November 2020

Cardiac complications in patients hospitalised with COVID-19.

Eur Heart J Acute Cardiovasc Care 2020 Dec 21;9(8):817-823. Epub 2020 Nov 21.

Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands.

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December 2020

Approaches to addressing missing values, measurement error, and confounding in epidemiologic studies.

J Clin Epidemiol 2020 Nov 8;131:89-100. Epub 2020 Nov 8.

Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands; Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.

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November 2020

Comment on Williamson et al. (OpenSAFELY): The Table 2 Fallacy in a Study of COVID-19 Mortality Risk Factors.

Epidemiology 2021 01;32(1):e1-e2

Department of Epidemiology, UNC, Chapel Hill, NC, Department of Epidemiology, UNC, Chapel Hill, NC Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, The Netherlands.

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January 2021

Prediction Models for Physical, Cognitive, and Mental Health Impairments After Critical Illness: A Systematic Review and Critical Appraisal.

Crit Care Med 2020 Dec;48(12):1871-1880

1Department of Physiotherapy, Western Health, Sunshine Hospital, Melbourne, VIC, Australia. 2The University of Melbourne, Melbourne, VIC, Australia. 3Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde, Scotland, United Kingdom. 4THIS Institute, University of Cambridge, Cambridge, United Kingdom. 5School of Medicine, Dentistry and Nursing, University of Glasgow, Scotland, United Kingdom. 6Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. 7Division of Pulmonary, Allergy, and Critical Care Medicine, Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA. 8Society of Critical Care Medicine, Chicago, IL. 9Division of Pulmonary, Critical Care, and Sleep Medicine, The Ohio State University Wexner Medical Center, Columbus, OH. 10Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT. 11Department of Psychology and Neuroscience Center, Brigham Young University, Provo, UT. 12Pulmonary and Critical Care Medicine, Intermountain Medical Center, Murray, UT. 13Center for Humanizing Critical Care, Intermountain Health Care, Murray, UT. 14Division of Pulmonary and Critical Care Medicine, Oregon Health & Science University, Portland, OR. 15Department of Medicine, Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN. 16Division of Pulmonary, Critical Care and Sleep Medicine, University of Kentucky, Lexington, KY. 17Pulmonary and Critical Care Medicine, and Physical Medicine and Rehabilitation, Johns Hopkins University, Baltimore, MD. 18Vanderbilt University School of Medicine, Nashville, TN. 19Independent Information Specialist, Ottawa, ON, Canada. 20Emory University Hospital (Emory Healthcare), Atlanta, GA. 21Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands. 22Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom. 23Department of Biostatistics, Epidemiology and Informatics, and Palliative and Advanced Illness Research (PAIR) Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.

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December 2020

A weighting method for simultaneous adjustment for confounding and joint exposure-outcome misclassifications.

Stat Methods Med Res 2020 Sep 30:962280220960172. Epub 2020 Sep 30.

Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.

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September 2020

Flaws in the development and validation of a covid-19 prediction model.

Clin Infect Dis 2020 Sep 16. Epub 2020 Sep 16.

Julius Center for Health Science and Primary Care, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands.

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September 2020

Quantitative Bias Analysis for a Misclassified Confounder: A Comparison Between Marginal Structural Models and Conditional Models for Point Treatments.

Epidemiology 2020 11;31(6):796-805

Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, United Kingdom.

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November 2020

COVID-19 prediction models should adhere to methodological and reporting standards.

Eur Respir J 2020 09 10;56(3). Epub 2020 Sep 10.

Centre for Prognosis Research, School of Primary, Community and Social Care, Keele University, Keele, UK.

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September 2020

A cautionary note on the use of the missing indicator method for handling missing data in prediction research.

J Clin Epidemiol 2020 Sep 19;125:188-190. Epub 2020 Jun 19.

Julius Center for Health Science and Primary Care, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands.

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September 2020

Regression shrinkage methods for clinical prediction models do not guarantee improved performance: Simulation study.

Stat Methods Med Res 2020 11 13;29(11):3166-3178. Epub 2020 May 13.

Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, Netherlands.

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November 2020

Calculating the sample size required for developing a clinical prediction model.

BMJ 2020 03 18;368:m441. Epub 2020 Mar 18.

Julius Center for Health Sciences, University Medical Center Utrecht, Utrecht, Netherlands.

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March 2020

Title, abstract, and keyword searching resulted in poor recovery of articles in systematic reviews of epidemiologic practice.

J Clin Epidemiol 2020 05 23;121:55-61. Epub 2020 Jan 23.

Department of Clinical Epidemiology, Leiden University Medical Center, PO Box 9600, 2300 RC, the Netherlands; Department of Biomedical Data Sciences, Leiden University Medical Center, PO Box 9600, 2300 RC, the Netherlands.

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May 2020

Calibration: the Achilles heel of predictive analytics.

BMC Med 2019 12 16;17(1):230. Epub 2019 Dec 16.

Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, Netherlands.

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December 2019

Reflection on modern methods: five myths about measurement error in epidemiological research.

Int J Epidemiol 2020 02;49(1):338-347

Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.

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February 2020

Changing predictor measurement procedures affected the performance of prediction models in clinical examples.

J Clin Epidemiol 2020 03 9;119:7-18. Epub 2019 Nov 9.

Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, the Netherlands; Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, the Netherlands.

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March 2020

Three myths about risk thresholds for prediction models.

BMC Med 2019 10 25;17(1):192. Epub 2019 Oct 25.

KU Leuven Department of Development and Regeneration, Leuven, Belgium.

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October 2019

Forcing dichotomous disease classification from reference standards leads to bias in diagnostic accuracy estimates: A simulation study.

J Clin Epidemiol 2019 07 20;111:1-10. Epub 2019 Mar 20.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.

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July 2019

Sample size considerations and predictive performance of multinomial logistic prediction models.

Stat Med 2019 04 6;38(9):1601-1619. Epub 2019 Jan 6.

Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.

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April 2019

Adjustment for unmeasured confounding through informative priors for the confounder-outcome relation.

BMC Med Res Methodol 2018 12 22;18(1):174. Epub 2018 Dec 22.

Department of Methodology and Statistics, Faculty of Social and Behavioral Sciences, Utrecht University, Utrecht, The Netherlands.

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December 2018

Challenges in measuring interprofessional-interorganisational collaboration with a questionnaire.

BJGP Open 2018 Apr 21;2(1):bjgpopen18X101385. Epub 2018 Apr 21.

Professor of Primary Care, Department of GP Training, Julius Center for Health Sciences and Primary Care, UMC Utrecht, Utrecht, The Netherlands.

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April 2018

Does a bounding exercise program prevent hamstring injuries in adult male soccer players? - A cluster-RCT.

Scand J Med Sci Sports 2019 Apr 24;29(4):515-523. Epub 2019 Jan 24.

University Medical Center Utrecht, Rudolf Magnus Institute of Neurosciences, Department Rehabilitation, Physical Therapy Science & Sports, Utrecht University, Utrecht, The Netherlands.

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April 2019

[Big, bigger, biggest; big data in medical research].

Ned Tijdschr Geneeskd 2018 11 27;162. Epub 2018 Nov 27.

LUMC, afd. Klinische Epidemiologie, Leiden.

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November 2018

Protect pregnant women by including them in clinical research.

BMJ 2018 Sep 26;362:k4013. Epub 2018 Sep 26.

University Medical Center Utrecht, Heidelberglaan 100, 3584CX, Utrecht, Netherlands.

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September 2018

Comparability of treatment arms does not prevent correlated trial results.

J Clin Epidemiol 2019 02 24;106:144-145. Epub 2018 Aug 24.

Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, the Netherlands.

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February 2019

Sample size for binary logistic prediction models: Beyond events per variable criteria.

Stat Methods Med Res 2019 08 3;28(8):2455-2474. Epub 2018 Jul 3.

1 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands.

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August 2019

Novel diabetes subgroups.

Lancet Diabetes Endocrinol 2018 06;6(6):439-440

Department of Epidemiology and Public Health, University College Cork, Cork, Ireland.

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June 2018

Machine Learning Compared With Pathologist Assessment.

JAMA 2018 04;319(16):1725-1726

Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands.

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April 2018

Investigation of the "m" in the cmRCT (cohort multiple randomized controlled trial) design revealed dependence between trial results.

J Clin Epidemiol 2018 09 26;101:119-123. Epub 2018 Apr 26.

Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, The Netherlands; Department of Medical Statistics and Bioinformatics, Leiden University Medical Centre, Leiden, The Netherlands.

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September 2018

Measurement error is often neglected in medical literature: a systematic review.

J Clin Epidemiol 2018 06 6;98:89-97. Epub 2018 Mar 6.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, PO Box 85500, 3508 Utrecht, The Netherlands.

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June 2018

Towards an appropriate framework to facilitate responsible inclusion of pregnant women in drug development programs.

Trials 2018 Feb 20;19(1):123. Epub 2018 Feb 20.

Department of Medical Humanities, Julius Center for Health Sciences and Primary Care, University of Utrecht, University Medical Center Utrecht, P.O. box 85500, 3508, GA, Utrecht, the Netherlands.

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February 2018

Random measurement error: Why worry? An example of cardiovascular risk factors.

PLoS One 2018 9;13(2):e0192298. Epub 2018 Feb 9.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands.

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April 2018

Concerns about composite reference standards in diagnostic research.

BMJ 2018 01 18;360:j5779. Epub 2018 Jan 18.

Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Netherlands.

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January 2018

Event rate net reclassification index and the integrated discrimination improvement for studying incremental value of risk markers.

Stat Med 2017 12;36(28):4495-4497

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands.

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December 2017

Efficient Sampling in Unmatched Case-Control Studies When the Total Number of Cases and Controls Is Fixed.

Epidemiology 2017 11;28(6):834-837

From the Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands.

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November 2017

Series: Pragmatic trials and real world evidence: Paper 6. Outcome measures in the real world.

J Clin Epidemiol 2017 Oct 11;90:99-107. Epub 2017 May 11.

Global Patient Outcomes & Real World Evidence, Eli Lilly and Company Ltd, Erl Wood Manor, Sunninghill Road, Windlesham, Surrey, GU20 6PH, UK.

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October 2017

A generic nomogram for multinomial prediction models: theory and guidance for construction.

Diagn Progn Res 2017 10;1. Epub 2017 Apr 10.

1Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Heidelberglaan, Utrecht, 100 Netherlands.

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April 2017

No rationale for 1 variable per 10 events criterion for binary logistic regression analysis.

BMC Med Res Methodol 2016 11 24;16(1):163. Epub 2016 Nov 24.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Heidelberglaan 100, Utrecht, The Netherlands.

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November 2016

Response to the commentary on "A nomogram was developed to enhance the use of multinomial logistic regression modelling in diagnostic research".

J Clin Epidemiol 2016 10 30;78:7-9. Epub 2016 Mar 30.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, PO Box 85500, 3508 GA Utrecht, The Netherlands.

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October 2016

Problems in detecting misfit of latent class models in diagnostic research without a gold standard were shown.

J Clin Epidemiol 2016 06 25;74:158-66. Epub 2015 Nov 25.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Universiteitsweg 100, 3584 CG Utrecht, The Netherlands.

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June 2016

Bias due to composite reference standards in diagnostic accuracy studies.

Stat Med 2016 Apr 10;35(9):1454-70. Epub 2015 Nov 10.

Division of Clinical Epidemiology, McGill University Health Centre, Montreal, Canada.

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April 2016

Value of composite reference standards in diagnostic research.

BMJ 2013 Oct 25;347:f5605. Epub 2013 Oct 25.

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Universiteitsweg 100, 3584 CG Utrecht, Netherlands.

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October 2013

Evaluating diagnostic accuracy in the face of multiple reference standards.

Ann Intern Med 2013 Aug;159(3):195-202

Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands.

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August 2013