Cited by 15Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsNeurological Disease Mechanisms and Treatments

Neuropathology-Based Risk Scoring for Dementia Diagnosis in the Elderly

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Haneuse, Sebastien, Larson, Eric, Walker, Rod, Montine, Thomas, Sonnen, Joshua·2009·Journal of Alzheimer's Disease

Abstract

Current neuropathologic consensus criteria for diagnosis of dementia yield a classification of processes that likely contributed to dementia in that individual. While dementia diagnosis currently relies on clinical criteria, practicing neuropathologists and researchers might benefit from a simple, accurate risk scoring protocol for the neuropathologic diagnosis of dementia. Using 232 consecutive autopsies from the population-based Adult Changes in Thought study, we developed two logistic regression-based risk scoring systems; one solely using neuropathologic measures and a second additionally including demographic information. Inverse-probability weighting was used to adjust for inherent selection bias in autopsy-based studies of dementing illnesses. Both systems displayed high levels of predictive accuracy; bias-adjusted area-under-the-curve statistics were 0.78 (95% CI 0.71, 0.85) and 0.87 (95% CI 0.83, 0.92), indicating improved performance with the inclusion of demographic characteristics, specifically age and birth cohort information. Application of the combined neuropathology/demographic model yielded bias-adjusted sensitivity and specificity of 81% each. In contrast, application of NIA-Reagan criteria yielded sensitivity and specificity of 53% and 84%. Our proposed scoring systems provide neuropathologists with tools to make a diagnosis, and interpret their diagnosis in the light of known sensitivity and specificity estimates. Evaluation in independent samples will be important to verify our findings.

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  • Although the specific importance of subcortical infarcts and interaction has not been confirmed, subsequent studies have established that infarcts are additive with Alzheimer disease pathology in lowering cognitive function and increasing the odds of dementia or clinical Alzheimer disease.

    “Although the specific importance of subcortical infarcts and interaction has not been confirmed, subsequent studies have established that infarcts are additive with Alzheimer disease pathology in lowering cognitive function17,57 and increasing the odds of dementia17,18,62,63 or clinical Alzheimer disease.61”

    From Vascular Contributions to Cognitive Impairment and Dementia: A Statement for Healthcare Professionals From the American Heart Association/American Stroke Association (2011) · cites this paper as [62]

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Authors
Haneuse, S., Larson, E., Walker, R., Montine, T., & Sonnen, J.
Affiliations
  • Group Health Cooperative (US)
  • University of Washington (US)
Corresponding author
Haneuse, Sebastien
Venue
Journal of Alzheimer's Disease
Published
2009-07-23
Volume
17
Issue
4
Pages
875-885
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W2152207212
Cited by
15
References
33
Citations by year
2024: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1 · 2015: 2 · 2013: 2 · 2012: 2
FWCI
1.03
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (3r01ag002380-06s1)
  • National Institute on Aging (U01-AG-06781, U01AG006781, R01 AG02380, R01AG023801)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
Keywords
dementia diagnosis, neuropathology
MeSH terms
Age Factors, Aged, Aged, 80 and over, Aging, Alzheimer Disease, Autopsy, Brain, Dementia, Female, Humans, Male, Sensitivity and Specificity, Sex Factors, Dementia, Vascular, Bias, Confidence Intervals

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