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false-negative |
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false-negative /false-neg·a·tive/ (fawls´ neg´ah-tiv) 1. denoting a test result that wrongly excludes an individual from a category. 2. an individual so excluded. 3. an instance of a false-negative result. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| HBsAg mutants present as false-negative results in some immunoassays. They also can give false-negative results that convey a false sense of security. Two types of errors are associated with any decision rule: a) a false-positive result, that is, declaring an area as having elevated risk when in fact its underlying true rate equals the background level (an error also traditionally referred to as type I error or lack of specificity); and b) a false-negative result, that is, declaring an area to be in the background when in fact its underlying rate is elevated (an error also referred to as type II error or lack of sensitivity). |
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false-negative
