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Karger Publishers, Dementia and Geriatric Cognitive Disorders, 1(28), p. 81-87, 2009

DOI: 10.1159/000232589

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The Validity, Reliability and Clinical Utility of the Hong Kong Montreal Cognitive Assessment (HK-MoCA) in Patients with Cerebral Small Vessel Disease

Journal article published in 2009 by Adrian Wong, Yun Y. Xiong ORCID, Pauline W. L. Kwan, Anne Y. Y. Chan, Wynnie W. M. Lam, Ki Wang, Winnie C. W. Chu, David L. Nyenhuis, Ziad Nasreddine, Lawrence K. S. Wong, Vincent C. T. Mok
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

<i>Background/Aims:</i> To evaluate the psychometric properties of the Hong Kong Montreal Cognitive Assessment (HK-MoCA) in patients with cerebral small vessel disease (SVD). <i>Methods: </i>40 SVD patients and 40 matched controls were recruited. Concurrent and criterion validity, inter-rater and test-retest reliability, internal consistency of the HK-MoCA were examined and clinical observations were made. <i>Results:</i> Performance on the HK-MoCA was significantly predicted by both executive (β = 0.23, p = 0.013) and non-executive (β = 0.64, p < 0.001) composite scores. It differentiated SVD patients from controls (area under the curve = 0.81, p < 0.001) with an optimal cutoff at 21/22. Reliability, internal consistency and clinical utility were good. <i>Conclusion:</i> The HK-MoCA is a useful cognitive screening instrument for use in SVD patients.