title: Statistical analysis of stratified 2x2 tables.
authors.affiliation: Department of Preventive Medicine, University of Iowa, Iowa City 52242.
authors.forename: C S
authors.initials: CS
authors.lastname: Davis
mesh_terms: D016001:Confidence Intervals; D003428:Cross Infection / Q000453:epidemiology; D003627:Data Interpretation, Statistical; D004812:Epidemiologic Methods; D006801:Humans; D016017:Odds Ratio