title: Assessing Diagnostic Tests II: Grading on a Curve.
abstract: In this Investigators' Corner, I continue discussing how to introduce and assess new diagnostic tests to replace older tests that are considered gold standards. Specifically, I talk about how to assess a "family" of diagnostics, and how to choose an optimal "family member."
authors.affiliation: Assistant Professor, Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, TX. Electronic address: dajupite@utmb.edu.
authors.forename: Daniel C
authors.initials: DC
authors.lastname: Jupiter
mesh_terms: D003951:Diagnostic Errors / Q000517:prevention & control; D003955:Diagnostic Tests, Routine / Q000592:standards*; D006801:Humans; D012372:ROC Curve; D012680:Sensitivity and Specificity; D013223:Statistics as Topic / Q000379:methods*
keywords: area under the curve; diagnostic test; gold standard; receiver operating characteristic (ROC) curve