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Comment & Response
February 2016

Finding the Balance of Less is More—Reply

Author Affiliations
  • 1Department of Internal Medicine, University of California-San Francisco, San Francisco

Copyright 2016 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA Intern Med. 2016;176(2):283. doi:10.1001/jamainternmed.2015.7986

In Reply I am so glad to see these responses to my previously published first-person account1 of the consequences of over-testing. Good and colleagues beautifully highlight the critical importance of considering pretest probability when deciding to order, and how to interpret, a test. As a practicing physician, I use the principle of the Bayes theorem in my decision making more than I understood how to do as a medical student, in part because its logic has allowed me to trust in the veracity of my own negative test result and quell the emotional effect of the initial (likely false-) positive result. I am grateful to Good and colleagues for the explicit reminder of this principle’s importance.

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