Affiliation:
1. aDivision of Pediatric Hospital Medicine, Stanford University School of Medicine, Palo Alto, California
2. bDepartments of Epidemiology & Biostatistics and Pediatrics, University of California, San Francisco, San Francisco, California
Abstract
The goal of a diagnostic test is to provide information on the probability of disease. In this article, we review the principles of diagnostic test characteristics, including sensitivity, specificity, positive and negative predictive value, receiver operating characteristics curves, likelihood ratios, and interval likelihood ratios. We illustrate how interval likelihood ratios optimize the information that can be obtained from test results that can take on >2 values, how they are reflected in the slope of the receiver operating characteristics curve, and how they can be easily calculated from published data.
Publisher
American Academy of Pediatrics (AAP)
Subject
Pediatrics,General Medicine,Pediatrics, Perinatology and Child Health
Cited by
2 articles.
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