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Counting dementia: There is no one "best" way
1Laboratory of Epidemiology, Demography, and Biometry, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA. launerl@nia.nih.gov
Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|January 25, 2011
Summary
Accurately counting dementia cases is vital due to its societal impact. Methods range from deep individual assessments to wide functional screenings, with the choice depending on study goals.
Area of Science:
- Neurology
- Public Health
- Epidemiology
Background:
- Dementia presents a significant and increasing societal and individual burden.
- Accurate dementia case ascertainment is critical for understanding prevalence and impact.
- Existing methods for dementia identification vary in depth and scope.
Purpose of the Study:
- To discuss the critical need for dementia case counting.
- To explore different dementia ascertainment approaches: deep (detailed individual characterization) versus wide (brief standardized functioning assessment).
- To analyze how the goals of ascertainment influence the choice between deep and wide methods.
Main Methods:
- Review of existing dementia ascertainment strategies.
- Discussion of the 'deep' versus 'wide' approaches to case identification.
- Analysis of factors influencing the selection of ascertainment methods based on research objectives.
Main Results:
- Dementia case ascertainment requires careful consideration of methodology.
- The choice between deep and wide assessment strategies is contingent upon specific research or public health goals.
- Emerging issues may necessitate future modifications in dementia classification.
Conclusions:
- The selection of dementia ascertainment methods (deep vs. wide) must align with defined objectives.
- Understanding the nuances of different approaches is key to accurate dementia burden estimation.
- Anticipating and adapting to emerging challenges in dementia classification is essential for future research and policy.
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