Prevalence of mild cognitive impairment is higher in men. The Mayo Clinic Study of Aging.

ABSTRACT:

Objective

We investigated the prevalence of mild cognitive impairment (MCI) in Olmsted County, MN, using in-person evaluations and published criteria.

Methods

We evaluated an age- and sex-stratified random sample of Olmsted County residents who were 70-89 years old on October 1, 2004, using the Clinical Dementia Rating Scale, a neurologic evaluation, and neuropsychological testing to assess 4 cognitive domains: memory, executive function, language, and visuospatial skills. Information for each participant was reviewed by an adjudication panel and a diagnosis of normal cognition, MCI, or dementia was made using published criteria.

Results

Among 1,969 subjects without dementia, 329 subjects had MCI, with a prevalence of 16.0% (95% confidence interval [CI] 14.4-17.5) for

SUBMITTER: Petersen RC 

PROVIDER: S-EPMC2938972 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature