positive predictive value
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positive predictive valueStatistics 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.
pos·i·tive pre·dic·tive val·ue(poz'i-tiv prĕ-dik'tiv val'yū)
The probability that a positive result accurately indicates that the analyte or the specific disease is present.
Positive predictive value (PPV)
The probability that a person with a positive test result has, or will get, the disease.
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