Prevalence of dementia subtypes in United States Medicare fee‐for‐service beneficiaries, 2011–2013

Alzheimer's & Dementia - Tập 13 - Trang 28-37 - 2017
Richard A. Goodman1,2, Kimberly A. Lochner3, Madhav Thambisetty4, Thomas S. Wingo5,6, Samuel F. Posner1, Shari M. Ling3
1National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Prevention and Control, Atlanta, GA, USA
2Department of Family and Preventive Medicine, Emory University School of Medicine, Atlanta, GA, USA
3Centers for Medicare & Medicaid Services, Baltimore, MD, USA
4Clinical and Translational Neuroscience Unit, Laboratory of Behavioral Neuroscience, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
5Department of Neurology and Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
6Division of Neurology, Atlanta VA Medical Center, Atlanta, GA, USA

Tóm tắt

AbstractIntroductionRapid growth of the older adult population requires greater epidemiologic characterization of dementia. We developed national prevalence estimates of diagnosed dementia and subtypes in the highest risk United States (US) population.MethodsWe analyzed Centers for Medicare & Medicaid administrative enrollment and claims data for 100% of Medicare fee‐for‐service beneficiaries enrolled during 2011–2013 and age ≥68 years as of December 31, 2013 (n = 21.6 million).ResultsOver 3.1 million (14.4%) beneficiaries had a claim for a service and/or treatment for any dementia subtype. Dementia not otherwise specified was the most common diagnosis (present in 92.9%). The most common subtype was Alzheimer's (43.5%), followed by vascular (14.5%), Lewy body (5.4%), frontotemporal (1.0%), and alcohol induced (0.7%). The prevalence of other types of diagnosed dementia was 0.2%.DiscussionThis study is the first to document concurrent prevalence of primary dementia subtypes among this US population. The findings can assist in prioritizing dementia research, clinical services, and caregiving resources.

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Alzheimer's & Dementia

Tập 13

28-37

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