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Cited by 843

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Receiver Operating Characteristic Curves and Their Use in Radiology

Obuchowski, Nancy A.·2003·Radiology

Abstract

Sensitivity and specificity are the basic measures of accuracy of a diagnostic test; however, they depend on the cut point used to define "positive" and "negative" test results. As the cut point shifts, sensitivity and specificity shift. The receiver operating characteristic (ROC) curve is a plot of the sensitivity of a test versus its false-positive rate for all possible cut points. The advantages of the ROC curve as a means of defining the accuracy of a test, construction of the ROC, and identification of the optimal cut point on the ROC curve are discussed. Several summary measures of the accuracy of a test, including the commonly used percentage of correct diagnoses and area under the ROC curve, are described and compared. Two examples of ROC curve application in radiologic research are presented.

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Metadata

Authors
Obuchowski, N. A.
Venue
Radiology
Published
2003-10
Volume
229
Issue
1
Pages
3-8
ISSN
  • 0033-8419 (ISSN-L)
  • 1527-1315
OpenAlex
W2124537635
Cited by
843
References
1
FWCI
14.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Receiver Operating Characteristic Curves and Their Use in Radiology. https://app.cochat.ai/papers/10.1148/radiol.2291010898
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Obuchowski, N. A. (2003). Receiver Operating Characteristic Curves and Their Use in Radiology. Radiology. https://doi.org/10.1148/radiol.2291010898

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