Health Services Research & Development

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2007 HSR&D National Meeting Abstract

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National Meeting 2007

2005 — Working with VA and Medicare Data: Matching by Care Type

Maciejewski ML (Center for Health Services Research in Primary Care, Durham VAMC) , Liu CF (Center for Outcomes Research in Older Adults, VA Puget Sound Healthcare System, Seattle VAMC), Burgess J (VA Management Science Group, Reno VAMC), Perkins M (Center for Outcomes Research in Older Adults, VA Puget Sound Healthcare System, Seattle VAMC), Hendricks A (Boston VA, Boston HCS), Hynes D (VA Information Resource Center, Hines, VAMC), Weeks WB (VISN 1 Patient Safety Center of Inquiry), Wright SM (VA Director of Epidemiology)

Workshop Objectives:
VA researchers have access to a rich source of information about non-VA health care use in the VA-Medicare records available through the VA Information Resource Center (VIReC), but using VA and Medicare records together presents challenges in identifying comparable data from the two systems. Service-specific analyses that combine VA and Medicare data require matching types of care provided to patients. In this workshop, we will 1) describe development of an approach to link VA and Medicare data by common care types, and 2) demonstrate a method for identifying primary care in both systems for the purpose of examining Medicare reliance for primary care and duplication of care.

Activities:
The workshop will combine oral presentations with a panel discussion and Q&A. Brief presentations will 1) summarize a specific study - Dual Use, Continuity of Care and Duplication in VA and Medicare - for which we need to match VA and Medicare services by type of care; 2) discuss possible approaches and barriers to matching VA and Medicare services by type of care; 3) present the rationale, methodology and results for the hybrid approach we have chosen for this study of primary care utilization; and 4) discuss challenges encountered with this particular approach and questions that researchers should consider before attempting a VA-Medicare match. The panel (Hendricks, Hynes, Weeks, and Wright) will provide comments from VA researchers who have attempted to solve similar VA-Medicare issues.

Target Audience:
Researchers who currently use or plan to use VA and Medicare records

Assumed Audience Familiarity with Topic:
This workshop assumes an interest in, but not necessarily experience with, matching VA and Medicare types of care. The workshop is intended to be interactive, with time during presentations and panel discussion for questions and comments from other researchers.