Single Biggest Cancer Dictionary in the World

What is

positive predictive value

?

Pronunciation: /ˈpɑzətɪv prɪˈdɪktɪv ˈvælju/

positive predictive value

Definition

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.