… to geographic variations in the rates of use of these procedures. We selected geographic
areas of high, average, and low use … review of medical records and used previously developed …

… Much work has been done to define the extent of geographic variation in the use of health
services; little has been done to explore the clinical implications. During its most expansive …

… in intensity and/or costs of care. More research is needed to improve our understanding of
… between geographic variations and the quality of care. Geographic variations in care have …

… the effect of geographic units on measuring geographical variation in health care use by …
areal units organized to reflect geographic health care use accurately and to examine the …

… Public Health This paper critically reviews three decades of research on geographic variations
in health services … The recent renewed interest in variations research in the United States, …

… Use Explain Geographic Variations in the Use of Health Care Services?"1 the authors
conclude that "differences … " and that "differences in appropriateness cannot explain geographic …

… health services use. Second, I extend the voluminous literature on geographic variation to
… —is an important determinant of geographic variation. This complements prior research …

… disorders and that study focused on health services for all Medicare recipients. … geographic
variations in Medicare, our results imply that such variations in Medicaid mental health care …

… to the geographical organization of health care in a country … an overview of geographic
variations in medical practice and … geographic variation was present; (3) the causes of variation …

… for geographic variation in expenditures for physicians' services. To study this variation, we
examined expenditures for physicians' services in all metropolitan areas in the United States. …