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Medical Testing in Brief

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From live.staticflickr.com: Medical Test Tubes
Medical Test Tubes
(Image by danielfoster437 from flickr)
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Overview 

With respect to medical testing in general, the prevalence of a condition in the population has a huge effect on the number of false alarms and misses. Depending on the prevalence of the condition, and the performance of the test, the number of false alarms can exceed the number of hits. It is simple arithmetic, but a bit confusing. 

This is true even with a test of high sensitivity (detects infections if infection exists, with not too many misses) and high selectivity (detection of no infection if no infection exists, with not too many false alarms). 

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At ephektikoi.ca

 

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Mike Zimmer Social Media Pages: Facebook page url on login Profile not filled in       Twitter page url on login Profile not filled in       Linkedin page url on login Profile not filled in       Instagram page url on login Profile not filled in

Father and husband, free thinker, with a libertarian socialist bent, published writer, essayist, retired information systems consultant, former experimental psychology graduate student, martial arts teacher, writer of tunes, guitar teacher, (more...)
 

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