title: Value of Propensity Score Matching to Study Surgical Outcomes.
authors.affiliation: *Department of Surgery, Duke University Medical Center and Duke Cancer Institute, DUMC 3513, Durham, NC †Department of Biostatistics and Bioinformatics, Duke University Medical Center and Duke Cancer Institute, DUMC 3513, Durham, NC.
authors.forename: E Shelley
authors.initials: ES
authors.lastname: Hwang
authors.forename: Xiaofei
authors.initials: X
authors.lastname: Wang
mesh_terms: D006801:Humans; D057216:Propensity Score; D013514:Surgical Procedures, Operative; D016896:Treatment Outcome