Quality of Care in Patients with Diabetes
Authors: Sheldon Greenfield, Sherrie H. Kaplan, Richard Kahn
Journal: Annals of Internal Medicine (2002)

Letters2 July 2002Quality of Care in Patients with DiabetesSheldon Greenfield, MD, Sherrie H. Kaplan, PhD, MPH, and Richard Kahn, PhDSheldon Greenfield, MDTufts University School of Medicine; Boston, MA 02111 (Greenfield, Kaplan)American Diabetes Association; Alexandria, VA 22311 (Kahn)Search for more papers by this author, Sherrie H. Kaplan, PhD, MPHTufts University School of Medicine; Boston, MA 02111 (Greenfield, Kaplan)American Diabetes Association; Alexandria, VA 22311 (Kahn)Search for more papers by this author, and Richard Kahn, PhDTufts University School of Medicine; Boston, MA 02111 (Greenfield, Kaplan)American Diabetes Association; Alexandria, VA 22311 (Kahn)Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-137-1-200207020-00022 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail IN RESPONSE:Mahadevia and associates underscore the importance of understanding the central point of our paper, that is, that variation between physicians (physician-level clustering) can limit the power of studies comparing any groups of physicians (for example, fee-for-service vs. managed care settings or high-quality vs. low-quality practice settings). All studies attempting such comparisons must be designed with not only sufficient numbers of patients per physician but also sufficient numbers of physicians per comparison group to ensure adequate power. The analytic methods we used were specifically chosen to investigate the separate effects of adjustment for patient characteristics and then physician clustering ...References1. Localio AR, Berlin JA, Ten Have TR, Kimmel SE. Adjustments for center in multicenter studies: an overview. Ann Intern Med. 2001;135:112-23. [PMID: 11453711] LinkGoogle Scholar2. Krumholz HM, Rathore SS, Chen J, Wang Y, Radford MJ. Evaluation of a consumer-oriented internet health care report card: the risk of quality ratings based on mortality data. JAMA. 2002;287:1277-87. [PMID: 11886319] CrossrefMedlineGoogle Scholar Author, Article, and Disclosure InformationAuthors: Sheldon Greenfield, MD; Sherrie H. Kaplan, PhD, MPH; Richard Kahn, PhDAffiliations: Tufts University School of Medicine; Boston, MA 02111 (Greenfield, Kaplan)American Diabetes Association; Alexandria, VA 22311 (Kahn) PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetailsSee AlsoAdjustments for Center in Multicenter Studies: An Overview A. Russell Localio , Jesse A. Berlin , Thomas R. Ten Have , and Stephen E. Kimmel Profiling Care Provided by Different Groups of Physicians: Effects of Patient Case-Mix (Bias) and Physician-Level Clustering on Quality Assessment Results Sheldon Greenfield , Sherrie H. Kaplan , Richard Kahn , John Ninomiya , and John L. Griffith Quality of Care in Patients with DiabetesThe EditorsQuality of Care in Patients with Diabetes Parthiv J. Mahadevia , Seth Himelhoch , and Joel Braunstein Quality of Care in Patients with Diabetes Rhoda H. Cobin and Helena W. Rodbard Quality of Care in Patients with Diabetes Sam Weir , Robert Stone , Philip Levy , Stephen F. Hodgson , and Barbara Fleming Metrics 2 July 2002Volume 137, Issue 1Page: 71-72KeywordsDatabasesDiagnosis related groupsHealth care qualityHealth care quality assessmentHealth information technologyHemoglobinInsulinPatientsPerformance measuresType 2 diabetes ePublished: 2 July 2002 Issue Published: 2 July 2002 Copyright & PermissionsCopyright © 2002 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...