title: [Concepts important in the interpretation of therapeutic studies. Absolute risk reduction (ARR), relative risk reduction (RRR), number needed to treat (NNT)].
authors.affiliation: Departement für Innere Medizin, Medizinische Poliklinik, Universitätsspital, Zürich.
authors.forename: J
authors.initials: J
authors.lastname: Steurer
mesh_terms: D016001:Confidence Intervals; D019317:Evidence-Based Medicine; D006801:Humans; D018570:Risk Assessment; D013223:Statistics as Topic; D009626:Terminology as Topic