Users' Guides to the Medical Literature
Guyatt G, Rennie D, Meade MO, Cook DJ
Part D Diagnosis
Chapter 17.2. Examples of Likelihood Ratios
Luz Maria Letelier, Gabriel Rada, Daniel Capurro, Solange Rivera, Victor Montori
Examples of Likelihood Ratios: Introduction
Topics Discussed:
criterion standard comparisons (diagnostic tests), likelihood ratio
Excerpt:
"Previous chapters of this book have made the case for the usefulness of likelihood ratios (LRs)
in the process of diagnosis (see Chapter 14,
The Process of Diagnosis; and Chapter 16,
Diagnostic Tests). In this chapter, we present some examples of LRs,
along with their associated 95% confidence
intervals. For each test, we describe the population to whom
the test was applied and the range of prevalence (pretest probability) found for each target condition (disease). Our choice of
conditions has been idiosyncratic and has represented the interests
of the leading authors who are secondary-care general internists
(L.M.L., G.R., D.C., V.M.) and a family physician (S.R.). We restricted
ourselves to tests in current use and so do not offer a technical
description of the tests. The authors conducted all searches and
summaries, without duplicate adjudication of eligibility or data
extraction...."
Log in to read the full chapter:
Get full access to JAMAevidence two ways:
Subscribe to JAMAevidence
JAMAevidence is a subscription-
based website dedicated to the learning, teaching, and practicing of evidence-based medicine.
Pay Per View
Timed access to all of JAMAevidence
24 hours for $29.95
48 hours for $49.95