Features of the area under the receiver operating characteristic (ROC) curve. A good practice.
David Lora
Clinical Research Unit (imas12)
Hospital Universitario 12 de Octubre
and CIBER de Epidemiología y Salud Pública (CIBERESP)
Madrid, Spain
[email protected]
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Israel Contador
Department of Basic Psychology, Psychobiology and Methodology of
Behavioral Sciences
University of Salamanca
Salamanca, Spain
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José F. Pérez-Regadera
Department of Radiation Oncology
Hospital Universitario 12 de Octubre
Madrid, Spain
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Agustín Gómez de la Cámara
Clinical Research Unit (imas12)
Hospital Universitario 12 de Octubre
and CIBER de Epidemiología y Salud Pública (CIBERESP)
Madrid, Spain
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Abstract. The area under the receiver operating characteristic (ROC) curve is a measure
of discrimination ability used in diagnostic and prognostic research. The ROC
plot is usually represented without additional information about decision
thresholds used to generate the graph. In our article, we show that adding at
least one or more informative cutoff points on the ROC graph facilitates the
characterization of the test and the evaluation of the discriminatory
capacities, which can result in more informed medical decisions. We use the
rocreg and rocregplot commands.
View all articles by these authors:
David Lora, Israel Contador, José F. Pérez-Regadera, Agustín Gómez de la Cámara
View all articles with these keywords:
receiver operating characteristic (ROC) curve, area under the ROC curve, cervix cancer, diagnostic test, discrimination, prognostic models, rocreg, rocregplot
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