title: Case mix: effect on health outcome assessment, with examples in the outpatient setting.
authors.affiliation: New England Medical Center, Boston, MA 02111, USA.
authors.forename: S
authors.initials: S
authors.lastname: Greenfield
mesh_terms: D000553:Ambulatory Care / Q000592:standards*; D015897:Comorbidity; D003953:Diagnosis-Related Groups; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care; D011468:Prostatectomy / Q000401:mortality; D014481:United States / Q000453:epidemiology