positive predictive value

Definition of positive predictive value
National Cancer Institute

positive predictive value

(PAH-zih-tiv preh-DIK-tiv VAL-yoo)
The likelihood that a person who has a positive test result does have the disease, condition, biomarker, or mutation (change) in the gene being tested. The positive predictive value is a way of measuring how accurate a specific test is. Also called PPV.

Source: NCI Dictionary of Cancer Terms