Rationalizing the management of pregnancies of unknown location: temporal and external validation of a risk prediction model on 1962 pregnancies

Assessing the discriminative ability of risk models for more than two outcome categories

(2012) Ben Van Calster et al.   EUROPEAN JOURNAL OF EPIDEMIOLOGY

Extending thec-statistic to nominal polytomous outcomes: the Polytomous Discrimination Index

(2012) Ben Van Calster et al.   STATISTICS IN MEDICINE

Introduction of a single visit protocol in the management of selected patients with pregnancy of unknown location: a prospective study

(2011) M Cordina et al.   BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY

Assessing the incremental value of diagnostic and prognostic markers: a review and illustration

(2011) Ewout W. Steyerberg et al.   EUROPEAN JOURNAL OF CLINICAL INVESTIGATION

Prediction Models: Revolutionary in Principle, But Do They Do More Good Than Harm?

(2011) Andrew J. Vickers   JOURNAL OF CLINICAL ONCOLOGY

Pregnancy of unknown location: a consensus statement of nomenclature, definitions, and outcome

(2010) Kurt Barnhart et al.   FERTILITY AND STERILITY

An application of methods for the probabilistic three-class classification of pregnancies of unknown location

(2009) Ben Van Calster et al.   ARTIFICIAL INTELLIGENCE IN MEDICINE

Pregnancies of unknown location

(2009) Emma Kirk et al.   BEST PRACTICE & RESEARCH CLINICAL OBSTETRICS & GYNAECOLOGY