title: Confidence intervals for the number needed to treat.
authors.affiliation: Imperial Cancer Research Fund Medical Statistics Group, Centre for Statistics in Medicine, Institute of Health Sciences, Oxford OX3 7LF. d.altman@icrf.icnet.uk
authors.forename: D G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D016001:Confidence Intervals; D016032:Randomized Controlled Trials as Topic; D018570:Risk Assessment; D018401:Sample Size