Dementia and Neurocognitive Disorders (대한치매학회지)

Korean Dementia Association (대한치매학회)
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Effect of Education on Discriminability of Montreal Cognitive Assessment Compared to Mini-Mental State Examination

  • Haeyoon Kim (Department of Psychology, College of Social Sciences, Hallym University) ;
  • Seonyeong Yang (Department of Psychology, College of Social Sciences, Hallym University) ;
  • Jaesel Park (Department of Psychology, College of Social Sciences, Hallym University) ;
  • Byeong Chae Kim (Department of Neurology, Choennam National University Hospital) ;
  • Kyung-Ho Yu (Department of Neurology, Hallym University Sacred Heart Hospital) ;
  • Yeonwook Kang (Department of Psychology, College of Social Sciences, Hallym University)
  • Received : 2023.04.03
  • Accepted : 2023.04.26
  • Published : 2023.04.30
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Abstract

Background and Purpose: The Montreal Cognitive Assessment (MoCA) has been known as a screening test for detecting mild cognitive impairment (MCI) better than Mini-Mental State Examination (MMSE). However, in previous domestic studies, no significant difference was found in the discriminability between MoCA and MMSE. Researchers have suggested that this might be because older Koreans are less educated than older Westerners. This study was conducted to examine the effect of education on the discriminability of MoCA compared to the MMSE. Methods: Participants were 123 cognitively normal elderly, 118 with vascular MCI, 108 with amnestic MCI, 121 with vascular dementia, and 113 with dementia of the Alzheimer's type. The Korean-MoCA (K-MoCA) and Korean-MMSE (K-MMSE) were administered. Multiple regression analyses and receiver operating characteristic (ROC) curve analyses were performed. Results: In all participants, education significantly affected both K-MoCA and K-MMSE scores along with age. The effect of education was re-examined by subgroup analysis after dividing subjects according to the level of education. Effect of education on K-MoCA and K-MMSE was only shown in the group with <9 years of education. ROC curve analyses revealed that the discriminability of K-MoCA to differentiate between vascular MCI and normal elderly was significantly higher than that of K-MMSE. When re-examining subgroups divided by education level, however, this higher discriminability of K-MoCA disappeared in the group with <9 years of education. Conclusions: These results indicate no difference in discriminating cognitive deficits between K-MoCA and K-MMSE in Korean elderly with <9 years of education.

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References

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