Tag specificity
Medmastery Epidemiology Essentials 340

Medmastery: PPV and Specificity

Franz Wiesbauer looks at the impact of specificity and sensitivity on positive predictive value (and thus validity of a test) and why one has a bigger impact than the other.
CCC Critical Care compendium 340

Diagnostic Tests in Research

Diagnostic tests and terms: sensitivity; specificity; positive predictive value; negative predictive value; likelihood ratio; receiver operator characteristic curve (ROC curve)