title: [The efficacy of a treatment: absolute and relative risk, number of patients to be treated].
authors.affiliation: Service de Médecine 1, Hôpital Cantonal Universitaire, Genève.
authors.forename: M
authors.initials: M
authors.lastname: Nendaz
mesh_terms: D000367:Age Factors; D000368:Aged; D019386:Alendronate / Q000008:administration & dosage / Q000627:therapeutic use*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D015663:Osteoporosis, Postmenopausal / Q000188:drug therapy*; D010919:Placebos; D016032:Randomized Controlled Trials as Topic; D012306:Risk; D012307:Risk Factors; D016103:Spinal Fractures / Q000453:epidemiology / Q000517:prevention & control*; D013997:Time Factors
chemical_list: D010919:Placebos; D019386:Alendronate