title: [Clinical epidemiology--diagnosis].
abstract: Basic procedure for any clinician is to establish the diagnosis. There are some basic measures of diagnostic tests validity, which clinician should know and use for selection of appropriate diagnostic test and for the correct evaluation of test results. Sensitivity, specificity, positive and negative predictive values and likelihood ratio belong among those measures.
authors.affiliation: Ustav preventivního lékarství LF UP, Olomouc. janout@tunw.upol
authors.forename: V
authors.initials: V
authors.lastname: Janout
mesh_terms: D003933:Diagnosis; D015340:Epidemiologic Research Design; D019317:Evidence-Based Medicine; D006801:Humans