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A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
Published on: January 11, 2020
Revised criteria for mild cognitive impairment: validation within a longitudinal population study.
Sylvaine Artero1, Ronald Petersen, Jacques Touchon
1INSERM E361, Hôpital Gui-de-Chauliac, Université de Montpellier-1, Montpellier, France. artero@montp.inserm.fr
Dementia and Geriatric Cognitive Disorders
|October 19, 2006
Summary
Revised criteria for mild cognitive impairment (MCI-R) significantly improve dementia prediction in general populations. These updated guidelines better identify individuals likely to transition to dementia, aiding clinical and population research.
Area of Science:
- Neurology
- Gerontology
- Cognitive Science
Background:
- Mild cognitive impairment (MCI) represents a stage between normal aging and dementia.
- Current MCI diagnostic criteria show limitations in general population settings.
- Revisions to MCI criteria are being explored based on clinical and epidemiological data.
Purpose of the Study:
- To assess revised diagnostic criteria for mild cognitive impairment (MCI-R).
- The revised criteria incorporate changes in activity levels and non-mnesic cognitive functions.
- To evaluate the diagnostic utility of MCI-R in predicting dementia conversion.
Main Methods:
- Subjects were recruited from general practitioners in southern France.
- A computerized neuropsychometric examination was administered.
- Neurologists diagnosed dementia using DSM-IIIR criteria after a 2-year follow-up, independent of cognitive test results.
- Receiver operating characteristics analysis assessed dementia conversion rates.
Main Results:
- The prevalence of MCI-R was 16.6%.
- MCI-R demonstrated significantly improved prediction of dementia transition (AUC = 0.80) compared to previous MCI criteria (AUC = 0.48).
- Predictive power increased when MCI subtypes were combined.
Conclusions:
- Revised criteria (MCI-R) enhance the original algorithm for defining MCI.
- The updated criteria better identify individuals progressing to dementia.
- MCI-R criteria show potential applicability in both clinical practice and population-based studies.
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