title: The spectrum effect in tests for risk prediction, screening, and diagnosis.
authors.affiliation: The Primary Care Unit, University of Cambridge, Strangeways Research Laboratory, Cambridge, CB1 8RN, UK jau20@medschl.cam.ac.uk.
authors.forename: Juliet A
authors.initials: JA
authors.lastname: Usher-Smith
authors.affiliation: MRC Epidemiology Unit, University of Cambridge, Institute of Metabolic Science, Cambridge, UK.
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Sharp
authors.affiliation: The Primary Care Unit, University of Cambridge, Strangeways Research Laboratory, Cambridge, CB1 8RN, UK MRC Epidemiology Unit, University of Cambridge, Institute of Metabolic Science, Cambridge, UK.
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Griffin
mesh_terms: D015982:Bias; D019937:Diagnostic Techniques and Procedures / Q000592:standards*; D006801:Humans; D016013:Likelihood Functions; D008403:Mass Screening; D011237:Predictive Value of Tests; D015995:Prevalence; D018570:Risk Assessment; D012307:Risk Factors; D012680:Sensitivity and Specificity