title: Survivor treatment bias, treatment selection bias, and propensity scores in observational research.
authors.affiliation: Institute for Clinical Evaluative Sciences, G1 06, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada. peter.austin@ices.on.ca
authors.forename: Peter C
authors.initials: PC
authors.lastname: Austin
authors.forename: Robert W
authors.initials: RW
authors.lastname: Platt
mesh_terms: D004696:Endocarditis / Q000401:mortality / Q000601:surgery; D006349:Heart Valve Diseases / Q000401:mortality / Q000601:surgery; D006801:Humans; D018579:Patient Selection; D057216:Propensity Score; D015983:Selection Bias; D016896:Treatment Outcome