Cited by 29Dementia and Cognitive Impairment ResearchCancer-related cognitive impairment studiesHistorical and Modern Theater Studies

The utility of brief cognitive tests for patients with type 2 diabetes mellitus: a systematic review

Dong, YanHong, Kua, Zhong Jie, Khoo, Eric Yin Hao, Koo, Edward H., Merchant, Reshma A.·2016·Journal of the American Medical Directors Association

Abstract

Background Type 2 diabetes mellitus (T2DM) is associated with an increased risk for mild cognitive impairment and dementia in both middle-aged and older individuals. Brief cognitive tests can potentially serve as a reliable and cost effective approach to detect for cognitive decrements in clinical practice.Objective This systematic review examined the utility of brief cognitive tests in studies with patients with T2DM.Method This systematic review was conducted according to guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. "PubMed," "PsychINFO," "ScienceDirect," and "ProQuest" electronic databases were searched to identify articles published from January 1, 2005 to December 31, 2015.Results The search yielded 22 studies, with only 8 using brief tests as a cognitive screening tool, whereas the majority using these tests as a measure of global cognitive functions. In regard to cognitive screening studies, most had failed to fulfil the standard reporting of diagnostic test accuracy criteria such as Standards for Reporting of Diagnostic Accuracy for dementia and cognitive impairment. Moreover, few studies reported discriminant indices such as sensitivity, specificity, and positive and negative predictive values of brief cognitive tests in detecting cognitive impairment in patients with T2DM. Among studies which used brief cognitive tests as a measure of global cognitive function, patients with diabetes tended to perform worse than patients without diabetes. Processing speed appeared to be particularly impaired among patients with diabetes, therefore, measures of processing speed such as the Digit Symbol Substitution Test may add value to brief cognitive tests such as the Montreal Cognitive Assessment.Conclusions The Montreal Cognitive Assessment supplemented by the Digit Symbol Substitution Test indicate initial promise in screening for cognitive impairment in T2DM.

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Crossref · 10.1016/j.jamda.2016.06.010

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Authors
Dong, Y., Kua, Z. J., Khoo, E. Y. H., Koo, E. H., & Merchant, R. A.
Affiliations
  • National University of Singapore (SG)
  • The University of Queensland (AU)
Corresponding author
Dong, YanHong
Venue
Journal of the American Medical Directors Association
Publisher
Elsevier BV
Published
2016-10
Volume
17
Issue
10
Pages
889-895
ISSN
1525-8610 (ISSN-L)
OpenAlex
W2489825929
Cited by
29
References
54
Citations by year
2026: 1 · 2025: 4 · 2024: 6 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 4 · 2016: 2
FWCI
0.43
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Medical Directors Association (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Saint Louis University
  • National University Health System
  • National Institute of Neurological Disorders and Stroke
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
  • Social Sciences › Psychology › Clinical Psychology › Historical and Modern Theater Studies
Keywords
type 2 diabetes, brief cognitive tests, cognitive screening, dementia, Montreal Cognitive Assessment, Digit Symbol Substitution Test, processing speed, diagnostic accuracy, sensitivity and specificity, global cognitive function
MeSH terms
Adult, Aged, Cognition Disorders, Diabetes Mellitus, Type 2, Female, Humans, Male, Middle Aged, Neuropsychological Tests

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