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This Article Full Text Full Text (PDF) Take the CME quiz: Vol. 17 No. 1, January 2007 Submit a response Alert me when this article is cited Alert me when eLetters are posted Alert me if a correction is posted Services E-mail this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to My File Cabinet Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Wiedermann, B. L. Search for Related Content PubMed Articles by Wiedermann, B. L. Related Collections Weighing the Evidence

AAP Grand Rounds 17:9 (2007)
© 2007 American Academy of Pediatrics

A Practical Use of Likelihood Ratios

The authors provide sensitivity and specificity data for various height and weight measurements in children with slipped capital femoral epiphyses, with the goal of helping clinicians determine whether to investigate such children for underlying endocrinologic disorders, primarily hypothyroidism. Converting their sensitivity and specificity data to likelihood ratios (LRs) can make this decision easier. The formula for calculating the LR for a test with a positive result is sensitivity/(1-specificity), and the corresponding calculation for a negative test is (1-sensitivity)/specificity. . . . [Full Text of this Article]

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