Statistics review 13: Receiver operating characteristic curves

Bewick, Viv; Cheek, Liz; Ball, Jonathan

doi:10.1186/cc3000

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Statistics review 13: Receiver operating characteristic curves

review-article

Author(s): Viv Bewick ¹ ^, , Liz Cheek ¹ , Jonathan Ball ²

Publication date (Electronic): 4 November 2004

Journal: Critical Care

Publisher: BioMed Central

Keywords: AUROC, negative likelihood ratio, negative predictive value, positive likelihood ratio, positive predictive value, ROC curve, sensitivity, specificity

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Abstract

This review introduces some commonly used methods for assessing the performance of a diagnostic test. The sensitivity, specificity and likelihood ratio of a test are discussed. The uses of the receiver operating characteristic curve and the area under the curve are explained.

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Most cited references 6

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Statistics review 6: Nonparametric methods

Elise Whitley, Jonathan Ball (2002)

The present review introduces nonparametric methods. Three of the more common nonparametric methods are described in detail, and the advantages and disadvantages of nonparametric versus parametric methods in general are discussed.

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Statistics review 8: Qualitative data – tests of association

Viv Bewick, Liz Cheek, Jonathan Ball (2003)

This review introduces methods for investigating relationships between two qualitative (categorical) variables. The χ2 test of association is described, together with the modifications needed for small samples. The test for trend, in which at least one of the variables is ordinal, is also outlined. Risk measurement is discussed. The calculation of confidence intervals for proportions and differences between proportions are described. Situations in which samples are matched are considered.