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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Alzheimers Dement. 2016 May 10;13(1):28–37. doi: 10.1016/j.jalz.2016.04.002

Table 5. Most Common Diagnosed Dementia Subtypes among Medicare Fee-for-Service Beneficiaries, 68+ years, with Dementia: 2013 (N = 3,110,654).

Top 10 Dementia Subtype Diagnoses1 Frequency Percent
Dementia, not otherwise specified (NOS) 1,432,753 46.1
Alzheimer's disease (AD)/Dementia NOS 902,727 29.0
AD/Vascular dementia/Dementia NOS 195,499 6.3
Vascular dementia/Dementia NOS 156,422 5.0
Alzheimer's disease 139,833 4.5
Lewy body dementia/Dementia NOS 64,338 2.1
AD/Lewy body dementia/Dementia NOS 62,345 2.0
Vascular dementia 52,575 1.7
AD/Vascular dementia/Lewy body dementia/Dementia NOS 17,041 0.6
AD/Frontotemporal dementia/Dementia NOS 10,523 0.3

Notes:

1

Dementia is identified by any dementia diagnoses codes on the claim.