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Cognitive assessment tools in Asia: a systematic review

Published online by Cambridge University Press:  09 October 2015

Roshaslina Rosli ,
Maw Pin Tan ,
William Keith Gray ,
Pathmawathi Subramanian  and
Ai-Vyrn Chin
Roshaslina Rosli
Affiliation:
Ageing and Age-Associated Disorders Research Group, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
Maw Pin Tan*
Affiliation:
Ageing and Age-Associated Disorders Research Group, Division of Geriatric Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
William Keith Gray
Affiliation:
Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, Rake Lane, North Shields, Tyne and Wear, UK
Pathmawathi Subramanian
Affiliation:
Department Nursing Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
Ai-Vyrn Chin
Affiliation:
Ageing and Age-Associated Disorders Research Group, Division of Geriatric Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
*
Correspondence should be addressed to: Dr Maw Pin Tan, Division of Geriatric Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia. Phone: +60-3-79493200. Email: mptan@ummc.edu.my.
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Abstract

Background:

The prevalence of dementia is increasing in Asia than in any other continent. However, the applicability of the existing cognitive assessment tools is limited by differences in educational and cultural factors in this setting. We conducted a systematic review of published studies on cognitive assessments tools in Asia. We aimed to rationalize the results of available studies which evaluated the validity of cognitive tools for the detection of cognitive impairment and to identify the issues surrounding the available cognitive impairment screening tools in Asia.

Methods:

Five electronic databases (CINAHL, MEDLINE, Embase, Cochrane Library, and Science Direct) were searched using the keywords dementia Or Alzheimer Or cognitive impairment And screen Or measure Or test Or tool Or instrument Or assessment, and 2,381 articles were obtained.

Results:

Thirty-eight articles, evaluating 28 tools in seven Asian languages, were included. Twenty-nine (76%) of the studies had been conducted in East Asia with only four studies conducted in South Asia and no study from northern, western, or central Asia or Indochina. Local language translations of the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) were assessed in 15 and six studies respectively. Only three tools (the Korean Dementia Screening Questionnaire, the Picture-based Memory Intelligence Scale, and the revised Hasegawa Dementia Screen) were derived de novo from Asian populations. These tools were assessed in five studies. Highly variable cut-offs were reported for the MMSE (17–29/30) and MoCA (21–26/30), with 13/19 (68%) of studies reporting educational bias.

Conclusions:

Few cognitive assessment tools have been validated in Asia, with no published validation studies for many Asian nations and languages. In addition, many available tools display educational bias. Future research should include concerted efforts to develop culturally appropriate tools with minimal educational bias.

Keywords

Asiacognitiondementiaagedassessment tool
Type
Review Article
Information
International Psychogeriatrics , Volume 28 , Issue 2 , February 2016 , pp. 189 - 210
Copyright
Copyright © International Psychogeriatric Association 2015 

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