title: Effect size measures and their relationships in stroke studies.
authors.affiliation: From the idv-Data Analysis and Study Planning, Konrad-Zuse-Bogen, Krailling, Germany (V.W.R., H.Z.); and Acute Stroke Unit and Cerebrovascular Clinic, Institute of Cardiovascular and Medical Sciences, Gardiner Institute, Western Infirmary and Faculty of Medicine, University of Glasgow, Glasgow, United Kingdom (K.R.L).
authors.forename: Volker W
authors.initials: VW
authors.lastname: Rahlfs
authors.forename: Helmuth
authors.initials: H
authors.lastname: Zimmermann
authors.forename: Kennedy R
authors.initials: KR
authors.lastname: Lees
mesh_terms: D000465:Algorithms; D003627:Data Interpretation, Statistical; D006801:Humans; D016017:Odds Ratio; D012107:Research Design / Q000706:statistics & numerical data*; D018401:Sample Size; D020521:Stroke / Q000175:diagnosis / Q000628:therapy*; D016896:Treatment Outcome
keywords: Mann-Whitney measure; effect size measure; numbers needed to treat; proportional odds ratio; randomized controlled trial; risk difference