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positive predictive value |
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Positive predictive value (PPV)
The probability that a person with a positive test result has, or will get, the disease. Mentioned in: Genetic Testing
predictive value a measure used by clinicians to interpret diagnostic test results. See also sensitivity, specificity. positive predictive value the probability that a patient with a positive test result really does have the condition for which the test was conducted. negative predictive value
the probability that a patient with a negative test result really is free of the condition for which the test was conducted. positive predictive value Statistics The number of true positives divided by the sum of true positives–TP and false positives–FP, a value representing the proportion of subjects with a positive test result who actually have the
disease, aka 'efficiency' of a test. Cf Negative predictive value, ROC–receiver operating characteristic. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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