Evidence map›Paper›PMID 34043283›Full record

ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association2021

Population estimate of people with clinical Alzheimer's disease and mild cognitive impairment in the United States (2020-2060).

Kumar B Rajan, Jennifer Weuve, Lisa L Barnes, Elizabeth A McAninch, Robert S Wilson, Denis A Evans

2 registry-linked trialsAbstract read
In one paragraph

Article in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 788 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
788citing papers in PubMed, 5 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05732935 nacompletednot on this mapstarted 2023, after this paper: background citation

Fasting to Provide Energy Needed to Help Adults in Need of Cognitive Enhancement (FASTING ENHANCE)

TypeinterventionalSponsorUniversity of FloridaRan2023 to 2026Enrolled45ConditionsOverweight and Obesity, Time Restricted Feeding, Alzheimer DiseaseArmsTime Restricted Eating intervention, Successful Aging Comparison Group (LEARN)
NCT06170268 recruitingnot on this mapstarted 2022, after this paper: background citation

Alzheimer's National Registry for Treatment and Diagnostics

Typeobservational_patient_registrySponsorAlzheimer's Disease and Related Disorders Association, IncRan2022 to 2032Enrolled20,000ConditionsAlzheimer DiseaseArmsRoutine Care Documentation
3 · Its place in the literature

Who cites it

788 citing papers in PubMed, 5 syntheses or guidelines pooled it.

  1. Pooled it
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  6. Trial
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  10. The effects of improved access to diabetes medications on risk of Alzheimer's disease and related dementias.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
  11. Article
  12. Racial Climate on Willingness to Participate in Clinical Research.Journal of racial and ethnic health disparities · 2026
    Article
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  14. Article
  15. Article
  16. Women's musculoskeletal health: insights from the 2024 National Academies of Sciences, Engineering, and Medicine report on chronic conditions.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2026
    Review
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  20. Identification of prevalent dementia in Medicare Advantage encounters, compared with rigorous cohort assessments.The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Article

728 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Kumar B RajanRush Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois, USA.
Jennifer WeuveDepartment of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA.
Lisa L BarnesRush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA.
Elizabeth A McAninchRush Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois, USA.
Robert S WilsonRush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA.
Denis A EvansRush Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois, USA.

Funding

Preserving Cognitive Resilience: A Biracial Parent-Offspring Study (18-4674) - Feasibility StudyR01AG058679 · NIA · UNIVERSITY OF CALIFORNIA AT DAVIS · PI EVANS, DENIS A, RAJAN, KUMAR B. · 2019 to 2024
$13.8M
Factors Influencing Decline in AD Trends in a Biracial Population StudyRF1AG057532 · NIA · UNIVERSITY OF CALIFORNIA AT DAVIS · PI RAJAN, KUMAR B. · 2017 to 2017
$1.7M
Nonlinear Models of Cognition Preceding AD in a Biracial Population SampleR01AG051635 · NIA · UNIVERSITY OF CALIFORNIA AT DAVIS · PI RAJAN, KUMAR B. · 2016 to 2020
$1.5M
NIA NIH HHS R01 AG051635NIA NIH HHS R01 AG058679NIA NIH HHS RF1 AG057532
6 · The paper itself

Abstract

introductionThe estimate of people with clinical Alzheimer's disease (AD) and mild cognitive impairment provides an understanding of the disease burden.

methodsWe estimated people with cognitive impairment using a quasibinomial regression model in 10,342 participants with cognitive test scores.

resultsThe 2020 US Census-adjusted prevalence of clinical AD was 11.3% (95% confidence interval [CI] = 10.7-11.9): 10.0% among non-Hispanic Whites, 14.0% among Hispanics, and 18.6% among non-Hispanic Blacks. We estimate that in 2020, 6.07 (95% CI = 5.75-6.38) million people were living with clinical AD, which increases to 13.85 (95% CI = 12.98-14.74) million in 2060, 423% higher among Hispanics, 192% higher among Blacks, and 63% higher among Whites. However, there are predicted to be more significant increases in later years among those over 85 and women compared to men. DISCUSSION: The number of people with clinical AD will increase as the "baby boom" generation reaches older ages, exerting a strong upward influence on disease burden.

Indexed as

AgedAged, 80 and overAlzheimer DiseaseCognitive DysfunctionCost of IllnessEthnicityFemaleHumansMaleModels, StatisticalPrevalence2020 US prevalenceclinical Alzheimer's diseaseforecastingmild cognitive impairment

Identifiers

PMID34043283
PMCPMC9013315

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.