title: Sufficient data.
authors: Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio; Department of Quantitative Health Sciences, Research Institute, Cleveland Clinic, Cleveland, Ohio. Electronic address: blackse@ccf.org.
authors: Eugene H
authors: EH
authors: Blackstone
mesh_terms: D006801:Humans; D017712:Peer Review, Research; D012307:Risk Factors; D018401:Sample Size; D013223:Statistics as Topic