ArticleAlzheimer's & dementia (Amsterdam, Netherlands)
Optimizing scalable approaches for early detection of cognitive impairment in primary care.
Article in Alzheimer's & dementia (Amsterdam, Netherlands). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
introductionUnrecognized cognitive impairment remains common in primary care, delaying access to care.
methodsWe conducted a prospective cross-sectional study to evaluate a multimodal screening approach combining a passive digital marker (PDM) from electronic health records with the Quick Dementia Rating System (QDRS).
resultsIndividually, each method showed limited discrimination (area under the curve [AUC] 0.61-0.62). The combined model, incorporating PDM, QDRS, and comorbidity context, improved performance (AUC 0.79; sensitivity 0.75; specificity 0.71). Decision curve analysis showed a net benefit of 0.5 at a 50% risk threshold, corresponding to a modest increase in correctly identified cases relative to alternative screening strategies. DISCUSSION: This low-burden, scalable multimodal approach improves detection of cognitive impairment, including mild cognitive impairment and Alzheimer's disease and related dementias, and may support improved risk stratification and referral prioritization in primary care.
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