title: What is a performance outlier?
authors.affiliation: Department of Surgery, Center for Quality and Safety, Massachusetts General Hospital, Boston, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA.
authors.forename: David M
authors.initials: DM
authors.lastname: Shahian
authors.affiliation: Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, USA Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, USA.
authors.forename: Sharon-Lise T
authors.initials: SL
authors.lastname: Normand
mesh_terms: D011785:Quality Assurance, Health Care; D058996:Quality Improvement
keywords: Healthcare quality improvement; Quality improvement; Quality measurement