ArticleJournal of the American Geriatrics Society2023
COVID-19 hospitalization and mortality in community-dwelling racially and ethnically diverse persons living with dementia.
Article in Journal of the American Geriatrics Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Heterogeneous responses to risk-adjustment reform: evidence from dementia diagnosis in Medicare Advantage.Health affairs scholar · 2026Article
- COVID-19 outcomes among patients with dementia and age-matched controls who were hospitalized in 21 US health-care systems.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024Article
- Article
- Excess Mortality With Alzheimer Disease and Related Dementias as an Underlying or Contributing Cause During the COVID-19 Pandemic in the US.JAMA neurology · 2023Article
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Authors and funding
3 authors.
Funding
Abstract
backgroundCommunity-dwelling persons living with dementia (PLWD) are vulnerable to COVID-19 infection, severity, and mortality due to the high prevalence of comorbidities, reliance on caregivers, and potential inability to employ risk reduction measures, among other factors.
methodsWe used a retrospective cohort of Medicare Fee-For-Service beneficiaries enrolled from January 2018 to September 2020 (n = 13,068,583), a comparison cohort from January 2019 to April 2021 (n = 13,250,297), and logistic regression to estimate the effect of dementia on COVID-19 hospitalization and mortality in community-dwelling older persons.
resultsCOVID-19 diagnoses were higher among persons living with dementia (PLWD) than those without dementia. Conditional on COVID-19 in the 2020 cohort, White PLWD were at higher risk of hospitalization compared to White persons without dementia (aOR 1.31, 95% CI: 1.26-1.36) and marginal for Black PLWD (aOR 1.10, 95% CI: 1.01-1.20), no significant differences were found within other racial/ethnic groups. PLWD were 1.8 times (aOR 1.78, 95% CI: 1.72-1.84) more likely to die within 30 days of COVID-19 on average. Within racial/ethnic groups, the estimate for White PLWD, compared with White persons without dementia, was highest (aOR 2.01, 95% CI: 1.92-2.10), followed by Black PLWD (aOR 1.55, 95% CI: 1.41-1.70), and smallest among Hispanic PLWD (aOR 1.37, 95% CI: 1.24-1.50). PLWD hospitalized with COVID-19 were 1.6 times (aOR 1.59, 95% CI: 1.52-1.67) more likely to die within 30 days than similar persons without dementia. Estimates from the 2021 cohort, when vaccines were available to older persons, were similar to those in 2020.
conclusionsCommunity-dwelling PLWD experienced worse outcomes after a COVID-19 diagnosis than their counterparts without dementia. Results demonstrating higher mortality, but not hospitalization rates, for all races/ethnicities except White PLWD suggest there may have been differential care/treatment that point to potential health care system inequities that persisted into 2021. Understanding the mechanisms underlying these differences may improve ongoing care for community-dwelling PLWD.
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