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Methods Inf Med 2015; 54(04): 382-383
DOI: 10.3414/ME15-04-0004
Letter to the Editor
Schattauer GmbH

Youden’s Index and the Likelihood Ratio Positive in Diagnostic Testing

D. Böhning
1   Southampton Statistical Sciences Research Institute, University of Southampton, Southampton, United Kingdom
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Further Information

Publication History

received: 13 April 2015

accepted: 12 May 2015

Publication Date:
22 January 2018 (online)

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Summary

We refer to a recent letter to the editor by Hughes [1] and show that, despite existing similarities between Youden’s index and the log-likelihood ratio positive, important differences between these two measures remain to exist which can play an important difference in clinical practice.

Keywords

Youden’s index - likelihood ratio positive - diagnostic testing - Taylor series approximation