title: [The 2 by 2 table].
authors.affiliation: Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen, Köln, Germany. Ralf.Bender@iqwig.de
authors.forename: R
authors.initials: R
authors.lastname: Bender
authors.forename: S
authors.initials: S
authors.lastname: Lange
mesh_terms: D001699:Biometry; D015179:Colorectal Neoplasms / Q000097:blood; D003929:Diabetic Neuropathies / Q000517:prevention & control; D006400:Hematocrit; D006801:Humans; D015995:Prevalence; D012016:Reference Values; D012680:Sensitivity and Specificity