title: Rounding numbers.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, and Department of Quantitative Health Sciences, Research Institute, Cleveland Clinic, Cleveland, Ohio. Electronic address: blackse@ccf.org.
authors.forename: Eugene H
authors.initials: EH
authors.lastname: Blackstone
mesh_terms: D013504:Cardiovascular Surgical Procedures; D004521:Educational Measurement; D008373:Manuscripts as Topic; D013223:Statistics as Topic