Users' Guides to the Medical Literature
Guyatt G, Rennie D, Meade MO, Cook DJ
Part D Diagnosis
Chapter 16. Diagnostic Tests
Toshi A. Furukawa, Sharon Strauss, Heiner C. Bucher, Gordon Guyatt
Diagnostic Tests: Introduction
Topics Discussed:
criterion standard comparisons (diagnostic tests), diagnostic process, diagnostic studies, diagnostic techniques and procedures
Excerpt:
"In the previous 2 chapters (Chapter 14,
The Process of Diagnosis, and Chapter 15,
Differential Diagnosis), we explained the process of diagnosis,
the way diagnostic test results move clinicians across the test
threshold and the therapeutic threshold, and
how to use studies to help obtain an accurate pretest
probability. In this chapter, we show you how to use an article
addressing the ability of a diagnostic test to move clinicians toward
the extremely high (ruling in) and extremely low (ruling out) posttest probabilities they seek. Later in
this book, we will show you how to use articles that integrate a
number of test results into a clinical prediction rule (Chapter 17.4, Clinical
Prediction Rules)...."
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