K.J.M. Janssen

Updating methods improved the performance of a clinical prediction model in new patients

K.J.M. Janssen, Karel G.M. Moons, Cor J. Kalkman et al. · Journal of Clinical Epidemiology · 2007 · 380 citations

Computing, Biostatistics, Clinical Sciences +13

Verification problems in diagnostic accuracy studies: consequences and solutions

Joris A. H. de Groot, Peter Bossuyt, Johannes B. Reitsma et al. · BMJ · 2011 · 100 citations · Full text

Public Health, Biostatistics, Clinical Classification Systems +13

Validation of two age dependent D-dimer cut-off values for exclusion of deep vein thrombosis in suspected elderly patients in primary care: retrospective, cross sectional, diagnostic analysis

Henk J. Schouten, Huiberdina L. Koek, Ruud Oudega et al. · BMJ · 2012 · 85 citations · Full text

Medicine, Geriatric Medicine, Hematology +17

Multiple imputation to correct for partial verification bias revisited

Joris A. H. de Groot, K.J.M. Janssen, Aeilko H. Zwinderman et al. · Statistics in Medicine · 2008 · 52 citations

Public Health, Biostatistics, Clinical Epidemiology +11

Health-related quality of life of long-term advanced melanoma survivors treated with anti-CTLA-4 immune checkpoint inhibition compared to matched controls

Annelies H. Boekhout, Anne Rogiers, Katarzyna Jóźwiak et al. · Acta Oncologica · 2020 · 31 citations · Full text

Life Sciences, Immunology, Oncology +14