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 · 597 citations

Retrospective Cohort Study, Population Health Sciences, Outcomes Research +8

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 · 182 citations

Bias Detection, Behavioral Sciences, Selection Bias +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 · 146 citations · Full text

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 · 133 citations · Full text

Computed Tomography, Tobacco Control, All-cause Mortality +13

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 · 128 citations · Full text