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The Mini Cog had high sensitivity and specificity for diagnosing dementia in community dwelling older adults
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 QUESTION: How accurate is the Mini Cog as a diagnostic screening test for dementia in a community dwelling elderly population compared with classification with the Consortium to Establish a Registry for Alzheimer's Disease (CERAD), Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV), and the National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Associations (NINCDS-ADRDA) (the diagnostic standards) and with 2 other diagnostic screening tests, the Mini Mental State Examination (MMSE) and the Cognitive Abilities Screening Instrument (CASI)?

Design

{Blinded comparison}* of the Mini Cog with the CERAD, DSM-IV, and NINCDS-ADRDA and the MMSE and CASI.

Setting

Community based study in Seattle, Washington, USA.

Participants

249 community dwelling older adults (69% women) who reflected the 5 major ethnic groups in the US. Participants with uncertain or very mild cognitive impairment (Clinical Dementia Rating of 0.5) were excluded.

Description of test and diagnostic standards

The Mini Cog combines the …

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