期刊
JOURNAL OF GERIATRIC PSYCHIATRY AND NEUROLOGY
卷 27, 期 3, 页码 199-203出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0891988714524630
关键词
mild cognitive impairment; dementia; Montreal Cognitive Assessment; MoCA; African Americans
资金
- Emory Alzheimer's Disease Research Center [NIH-NIA 5 P50 AG025688]
The validity of the Montreal Cognitive Assessment (MoCA) as a screen for mild cognitive impairment (MCI) and dementia was evaluated in African Americans attending an urban outpatient memory disorders clinic. Eighty one patients >= 50 years old were administered the MoCA and neuropsychological tests. Clinicians, blinded to the MoCA scores, reviewed the neuropsychological findings and reports of instrumental activities of daily living and they assigned a diagnosis of normal cognition (NC; N = 16), MCI (N = 38), or dementia (N = 27). The MoCA scores of the 3 groups were significantly different (NC > MCI > dementia). Using cutoff scores of <= 24 points for MCI and <= 22 points for dementia, the MoCA had .95 sensitivity and .63 specificity for MCI and .96 sensitivity and .88 specificity for dementia. The MoCA is a valid and cost-effective screen for cognitive impairment in African Americans but with a higher likelihood of falsely classifying persons with NC as having MCI.
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