ArticleRevista de neurologia2024
[Construction and validation of a test for verbal auditory screening of cognitive alterations (CAVAC)].
Article in Revista de neurologia, 2024. 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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Abstract
introductionThe global burden of dementia will continue to increase and Latin America will be one of the most affected regions. It is urgent to have new and better cognitive screening tools. There are few screenings composed entirely of auditory-verbal items and even more so for Argentine culture. The objective was to build and validate a test for verbal auditory screening of cognitive alterations (CAVAC) in Argentina. SUBJECTS AND
methodsEvidence based in test content was analyzed through 16 experts collaborated. In addition, evidence based on relationships to other variables, internal consistency and the ability to discriminate between cognitively healthy subjects, Mild Cognitive Impairment (MCI) and dementia were investigated. The CAVAC was applied to 316 Argentines (M age = 68,5). Volunteers from the general population and patients from neurology services from two Argentine hospitals participated.
resultsThe CAVAC test explores orientation/attention, memory/learning, language and executive functions, and is administered in 10 minutes with a score of 0 to 30. Aiken's V coefficient was satisfactory for all items. The CAVAC achieved a high correlation with the Mini Mental (0.762) and an acceptable Cronbach's alpha (0.746). The CAVAC score differs between controls, mild cognitive impairment (MCI) and dementia, and the ROC curves reveal adequate area values ??to discriminate MCI and dementia (>0.7), and cut-off points with good sensitivity-specificity.
conclusionsA new auditory-verbal test is made available for the screening of cognitive alterations with acceptable evidence of validity, good reliability, with the capacity to identify MCI and dementia, and free of charge for use.
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