title: From effect size into number needed to treat.
authors.forename: C T
authors.initials: CT
authors.lastname: Fang
authors.forename: W Y
authors.initials: WY
authors.lastname: Sau
authors.forename: S C
authors.initials: SC
authors.lastname: Chang
mesh_terms: D006801:Humans; D016017:Odds Ratio; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D018401:Sample Size; D016019:Survival Analysis