期刊
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS
卷 31, 期 3, 页码 179-187出版社
KARGER
DOI: 10.1159/000324639
关键词
Montreal Cognitive Assessment scoring, rater reliability; Parkinson disease with dementia; Alzheimer disease; Vascular dementia; Cognition
资金
- National Institute for Neurological Disorders and Stroke [K23NS60660-2S1]
- NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [K23NS060660] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [K23AG032899] Funding Source: NIH RePORTER
Background: Clock drawing is part of the Montreal Cognitive Assessment (MoCA) test but may have administration and scoring limitations. We assessed (1) the reliability of the MoCA clock criteria relative to a published error scoring approach, (2) whether command-only administration could distinguish dementia from cognitively intact individuals and (3) the value of adding a clock copy condition to the MoCA. Methods: Three novice raters and clocks from dementia and control participants were used to assess the 3 aims. Results: MoCA interrater and intrarater reliability were low (i.e. intraclass correlation coefficient = 0.12-0.31) and required repeat training. Clocks drawn to command classified dementia at chance. Inclusion of a copy condition demonstrated expected dementia subgroup patterns. Conclusion: Reliable clock scoring with MoCA criteria requires practice. Supplementing a clock copy to the standard MoCA test (takes < 1 min) will improve dementia assessment. Copyright (C) 2011 S. Karger AG, Basel
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