NCI Dictionary of Genetics Terms
Welcome to the NCI Dictionary of Genetics Terms, which contains technical definitions for more than 150 terms related to genetics. These definitions were developed by the PDQ® Cancer Genetics Editorial Board to support the evidence-based, peer-reviewed PDQ cancer genetics information summaries.
- positive predictive value
- listen (PAH-zih-tiv preh-DIK-tiv VAL-yoo)
- The likelihood that an individual with a positive test result truly has the particular gene and/or disease in question. Also called PPV.