Diagnostic power of the test is reflected by:
High-Yield Explanation
Diagnostic power of a screening test: Predictive accuracy (it tells the actual no. of people having the disease or not having the disease out of those shown positive or negative by a screening test) Diagnostic power of a screening test to correctly identify disease: positive predictive value (PPV) Diagnostic power of a screening test to correctly exclude a disease: negative predictive value (NPV)