title: Stratified-adjusted versus unstratified assessment of sample size and power for analyses of proportions.
authors.affiliation: Department of Statistics/Statistical Computing, George Washington University, Rockville, MD 20852, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Lachin
authors.forename: O M
authors.initials: OM
authors.lastname: Bautista
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans