Kristel J.M. Janssen

Missing covariate data in medical research: To impute is better than to ignore

Kristel J.M. Janssen, A. Rogier T. Donders, Frank E. Harrell et al. · Journal of Clinical Epidemiology · 2010 · 607 citations

Public Health, Biostatistics, Clinical Epidemiology +13

Unpredictable bias when using the missing indicator method or complete case analysis for missing confounder values: an empirical example

Mirjam J. Knol, Kristel J.M. Janssen, A. Rogier T. Donders et al. · Journal of Clinical Epidemiology · 2010 · 189 citations

Public Health, Biostatistics, Causal Inference +15

Dealing with Missing Predictor Values When Applying Clinical Prediction Models

Kristel J.M. Janssen, Yvonne Vergouwe, A. Rogier T. Donders et al. · Clinical Chemistry · 2009 · 154 citations · Full text

Computing, Biostatistics, Internal Medicine +17

Comparing coronary artery calcium and thoracic aorta calcium for prediction of all-cause mortality and cardiovascular events on low-dose non-gated computed tomography in a high-risk population of heavy smokers

P Jacobs, Mathias Prokop, Yolanda van der Graaf et al. · Atherosclerosis · 2009 · 135 citations · Full text

Medicine, Cardiology, Radiology +17

A simple method to adjust clinical prediction models to local circumstances

Kristel J.M. Janssen, Yvonne Vergouwe, Cor J. Kalkman et al. · Canadian Journal of Anesthesia/Journal canadien d anesthésie · 2009 · 129 citations · Full text

Medicine, Perioperative Medicine, Surgery +17