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BioethicsA systematic approach$
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Bernard Gert, Charles M. Culver, and K. Danner Clouser

Print publication date: 2006

Print ISBN-13: 9780195159066

Published to Oxford Scholarship Online: September 2006

DOI: 10.1093/0195159063.001.0001

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 What Doctors Must Know about Medical Practice

 What Doctors Must Know about Medical Practice

(p.191) 8 What Doctors Must Know about Medical Practice

Bernard Gert (Contributor Webpage)

Charles M. Culver

K. Danner Clouser

Oxford University Press

This chapter shows the importance of recognizing the probabilistic nature of medical diagnosis and treatment. It discusses the possibly serious effects of physicians not understanding Bayes theorem, and hence, not appreciating the importance of knowing the prevalence of a disorder in the population to be treated or screened. It shows the importance of doctors knowing about volume-outcome studies, geographical variation studies, and practice guidelines.

Keywords:   probability, Bayes theorem, screening treating, number needed to be treated (NNT), number needed to screen (NNS), uncertainty, volume-outcome, geographical variation, practice guidelines

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