title: Estimation of numbers needed to treat should be based on absolute risks.
authors.affiliation: Department of Medical Biometry, Institute for Quality and Efficiency in Health Care, Im Mediapark 8, D-50670 Cologne, Germany; Faculty of Medicine, University of Cologne, Cologne, Germany. Electronic address: Ralf.Bender@iqwig.de.
authors.forename: Ralf
authors.initials: R
authors.lastname: Bender
authors.affiliation: Department of Medical Biometry, Institute for Quality and Efficiency in Health Care, Im Mediapark 8, D-50670 Cologne, Germany.
authors.forename: Mandy
authors.initials: M
authors.lastname: Kromp
authors.affiliation: Department of Medical Biometry, Institute for Quality and Efficiency in Health Care, Im Mediapark 8, D-50670 Cologne, Germany.
authors.forename: Corinna
authors.initials: C
authors.lastname: Kiefer
authors.affiliation: Department of Medical Biometry, Institute for Quality and Efficiency in Health Care, Im Mediapark 8, D-50670 Cologne, Germany.
authors.forename: Sibylle
authors.initials: S
authors.lastname: Sturtz
mesh_terms: D015340:Epidemiologic Research Design; D006801:Humans; D061366:Numbers Needed To Treat; D016032:Randomized Controlled Trials as Topic