positive predictive value
Also found in: Dictionary, Acronyms, Wikipedia.
Related to positive predictive value: Odds ratio, Likelihood ratio
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.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Positive predictive value (PPV)
The probability that a person with a positive test result has, or will get, the disease.
Mentioned in: Genetic Testing
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.