期刊
HEALTH SERVICES RESEARCH
卷 54, 期 4, 页码 773-781出版社
WILEY
DOI: 10.1111/1475-6773.13134
关键词
aging; Alzheimer's disease; dementia; health care costs; Medicare
资金
- National Institute on Aging [R01-AG049815]
- Centers for Disease Control and Prevention [SIP-14-005]
Objective To estimate dementia's incremental cost to the traditional Medicare program. Data Sources Health and Retirement Study (HRS) survey-linked Medicare part A and B claims from 1991 to 2012. Study Design We compared Medicare expenditures for 60 months following a claims-based dementia diagnosis to those for a randomly selected, matched comparison group. Data Collection/Extraction Methods We used a cost estimator that accounts for differential survival between individuals with and without dementia and decomposes incremental costs into survival and cost intensity components. Principal Findings Dementia's five-year incremental cost to the traditional Medicare program is approximately $15 700 per patient, nearly half of which is incurred in the first year after diagnosis. Shorter survival with dementia mitigates the incremental cost by about $2650. Increased costs for individuals with dementia were driven by more intensive use of Medicare part A covered services. The incremental cost of dementia was about $7850 higher for females than for males because of sex-specific differential mortality associated with dementia. Conclusions Dementia's cost to the traditional Medicare program is significant. Interventions that target early identification of dementia and preventable inpatient and post-acute care services could produce substantial savings.
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