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Geographic disparities in mortality from Alzheimer's disease and related dementias
Author(s) -
Akushevich Igor,
Yashkin Arseniy P.,
Yashin Anatoliy I.,
Kravchenko Julia
Publication year - 2021
Publication title -
journal of the american geriatrics society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.992
H-Index - 232
eISSN - 1532-5415
pISSN - 0002-8614
DOI - 10.1111/jgs.17215
Subject(s) - medicine , alzheimer's disease , disease , gerontology , dementia , pathology
Objectives The regions with highest and lowest Alzheimer's disease (AD) mortality across the United States at state/county levels were identified and their contribution to the differences in total mortality rates between these regions was evaluated. The disease, disease group, sex, race/ethnicity, and place‐of‐death‐related inter‐region differences that engender the disparity in mortality were quantitatively described. The hypothesis that inter‐regional differences in filling out death certificates are a major contributor to differences in AD mortality was tested. Design Retrospective evaluation of death certificate data. Setting The United States. Participants Deceased US residents, 1999–2018. Methods Region‐specific age‐adjusted mortality rates and group‐specific rate decomposition. Results The county clusters with the highest and lowest AD mortality rates were in Washington (WA) and New York (NY), respectively, with other notable high‐mortality clusters on the border of Tennessee, Georgia, and Alabama as well as in North Dakota and South Dakota. These patterns were stable over the 1999–2018 period. AD had the highest contribution to total mortality difference between WA and NY (156%, higher in WA), in contrast circulatory diseases had a contribution of comparable magnitude (154%) but were higher in NY. Differences in cause‐of‐death certificate coding, either through coding of non‐AD dementias, or other conditions accompanying a potential AD death could not account for differences in AD mortality between NY and WA. Conclusions Inter‐regional differences in filling out death certificates were not a major contributor to variation in AD mortality between the regions with the highest and lowest rates. The respective mitigation of the effects of neural and circulatory diseases and several other high‐impact conditions would not negate the disparity in mortality between NY and WA.

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