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133rd Annual Meeting & Exposition December 10-14, 2005 Philadelphia, PA |
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Boyd H. Gilman, PhD, Division for Health Services and Social Policy Research, Health Economics and Financing, RTI International, 411 Waverly Oaks Rd., Ste. 330, Waltham, MA 02452, 781-434-1718, bgilman@rti.org
For individuals over the age of 64, Medicare claims provide the most comprehensive source of data on costs for medical services, particularly for chronic conditions such as cardiovascular disease with a relatively high prevalence among the elderly. The purpose of this study was to assess the economic burden imposed by selected cardiovascular diseases among the 65 and older population using Medicare claims. In particular, we analyzed the costs of medical services covered by Medicare associated with the treatment of ischemic heart disease and stroke. We extracted Medicare claims for the five major categories of services covered by Medicare: inpatient services, physician visits, outpatient services, home health care, and durable medical equipment. For each of the health conditions and medical service categories, claims were selected based on their reported diagnosis codes. The selected claims data were then used to estimate both the prevalence and the average cost of medical services for each condition. A major challenge using Medicare claims data to conduct cost-of-illness studies is deciding how to allocate claims-level costs (that are typically associated with multiple diagnoses) to specific conditions. The presentation will also identify the challenges of using Medicare claims to estimate the costs of Medicare-covered services associated with the treatment of cardiovascular disease among the elderly. We will discuss the structure and content of the Medicare claims databases and offer alternative approaches for assigning costs that may be associated with multiple diagnoses to specific diseases or conditions.
Learning Objectives:
Keywords: Healthcare Costs, Chronic Diseases
Presenting author's disclosure statement:
I wish to disclose that I have NO financial interests or other relationship with the manufactures of commercial products, suppliers of commercial services or commercial supporters.
The 133rd Annual Meeting & Exposition (December 10-14, 2005) of APHA