title: Comparing apples and oranges.
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA. blackse@ccf.org
authors.forename: Eugene H
authors.initials: EH
authors.lastname: Blackstone
mesh_terms: D015984:Causality; D002986:Clinical Trials as Topic; D006801:Humans; D016015:Logistic Models; D015233:Models, Statistical; D015999:Multivariate Analysis; D018579:Patient Selection; D011336:Probability; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D013223:Statistics as Topic / Q000379:methods*; D016896:Treatment Outcome