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.

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.Mentioned in: Genetic Testing

单词	positive predictive value
释义	DictionarySeeppv positive predictive value 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. 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.Mentioned in: Genetic Testing AcronymsSeePPV
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