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Use of clinical dementia rating in detecting early cognitive deficits in a community-based sample of Chinese older persons in Hong Kong.
Alzheimer Dis Assoc Disord 2008 Apr-Jun; 22(2):153-7AD

Abstract

With increasing demand for dementia care in the Chinese community, there is a pressing need to identify practical and valid assessment tool for early detection of dementia. In a sample of 473 randomly recruited community-dwelling Chinese older persons aged 60 or above, we evaluated the cognitive characteristics of subjects with Clinical Dementia Rating (CDR) of 0.5. The cognitive profiles of CDR 0.5 subjects were compared with standard clinical criteria for mild cognitive impairment. The Alzheimer's disease assessment scale-cognitive subscale and list learning delay recall test scores were between -1 and -2 SD below the cutoff for clinically not-demented subjects (CDR 0). Concordance between CDR 0.5 and mild cognitive impairment classifications were related to educational level of the subjects. A higher agreement was found in subjects having >6 years of education than subjects having <or=2 years of education (85.2% vs. 53.8%) (chi2=35.41, df=2, P<0.0001). The results suggested that CDR is able to identify mild but significant cognitive impairment in the Chinese community. The use of CDR suggested that attention should be paid to local cultural characteristics. With the use of cognitive evaluation, special adjustments are required to fit the performance of the respondents with different educational background.

Authors+Show Affiliations

Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong SAR. cwlam@cuhk.edu.hkNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18525287

Citation

Lam, Linda C W., et al. "Use of Clinical Dementia Rating in Detecting Early Cognitive Deficits in a Community-based Sample of Chinese Older Persons in Hong Kong." Alzheimer Disease and Associated Disorders, vol. 22, no. 2, 2008, pp. 153-7.
Lam LC, Tam CW, Lui VW, et al. Use of clinical dementia rating in detecting early cognitive deficits in a community-based sample of Chinese older persons in Hong Kong. Alzheimer Dis Assoc Disord. 2008;22(2):153-7.
Lam, L. C., Tam, C. W., Lui, V. W., Chan, W. C., Chan, S. S., Ho, K. S., ... Chiu, H. F. (2008). Use of clinical dementia rating in detecting early cognitive deficits in a community-based sample of Chinese older persons in Hong Kong. Alzheimer Disease and Associated Disorders, 22(2), pp. 153-7. doi:10.1097/WAD.0b013e3181631517.
Lam LC, et al. Use of Clinical Dementia Rating in Detecting Early Cognitive Deficits in a Community-based Sample of Chinese Older Persons in Hong Kong. Alzheimer Dis Assoc Disord. 2008;22(2):153-7. PubMed PMID: 18525287.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Use of clinical dementia rating in detecting early cognitive deficits in a community-based sample of Chinese older persons in Hong Kong. AU - Lam,Linda C W, AU - Tam,Cindy W C, AU - Lui,Victor W C, AU - Chan,Wai C, AU - Chan,Sandra S M, AU - Ho,Kin S, AU - Chan,Wai M, AU - Chiu,Helen F K, PY - 2008/6/6/pubmed PY - 2008/7/4/medline PY - 2008/6/6/entrez SP - 153 EP - 7 JF - Alzheimer disease and associated disorders JO - Alzheimer Dis Assoc Disord VL - 22 IS - 2 N2 - With increasing demand for dementia care in the Chinese community, there is a pressing need to identify practical and valid assessment tool for early detection of dementia. In a sample of 473 randomly recruited community-dwelling Chinese older persons aged 60 or above, we evaluated the cognitive characteristics of subjects with Clinical Dementia Rating (CDR) of 0.5. The cognitive profiles of CDR 0.5 subjects were compared with standard clinical criteria for mild cognitive impairment. The Alzheimer's disease assessment scale-cognitive subscale and list learning delay recall test scores were between -1 and -2 SD below the cutoff for clinically not-demented subjects (CDR 0). Concordance between CDR 0.5 and mild cognitive impairment classifications were related to educational level of the subjects. A higher agreement was found in subjects having >6 years of education than subjects having <or=2 years of education (85.2% vs. 53.8%) (chi2=35.41, df=2, P<0.0001). The results suggested that CDR is able to identify mild but significant cognitive impairment in the Chinese community. The use of CDR suggested that attention should be paid to local cultural characteristics. With the use of cognitive evaluation, special adjustments are required to fit the performance of the respondents with different educational background. SN - 1546-4156 UR - https://www.unboundmedicine.com/medline/citation/18525287/Use_of_clinical_dementia_rating_in_detecting_early_cognitive_deficits_in_a_community_based_sample_of_Chinese_older_persons_in_Hong_Kong_ L2 - http://dx.doi.org/10.1097/WAD.0b013e3181631517 DB - PRIME DP - Unbound Medicine ER -