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MMSE Subscale Scores as Useful Predictors of AD Conversion in Mild Cognitive Impairment

Authors Choe YM, Lee BC, Choi IG, Suh GH, Lee DY, Kim JW

Received 20 May 2020

Accepted for publication 26 June 2020

Published 24 July 2020 Volume 2020:16 Pages 1767—1775

DOI https://doi.org/10.2147/NDT.S263702

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Taro Kishi


Young Min Choe,1,2 Boung Chul Lee,2,3 Ihn-Geun Choi,4 Guk-Hee Suh,1,2 Dong Young Lee,5 Jee Wook Kim1,2 On behalf of the Alzheimer’s Disease Neuroimaging Initiative

1Department of Neuropsychiatry, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Gyeonggi, Republic of Korea; 2Department of Psychiatry, Hallym University College of Medicine, Chuncheon, Republic of Korea; 3Department of Neuropsychiatry, Hallym University Hangang Sacred Heart Hospital, Seoul, Republic of Korea; 4Department of Psychiatry, Seoul W Psychiatric Office, Seoul, Republic of Korea; 5Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea

Correspondence: Jee Wook Kim
Department of Neuropsychiatry, Hallym University Dongtan Sacred Heart Hospital, 7 Keunjaebong-gil, Hwaseong-si, Gyeonggi-do 18450, Republic of Korea
Tel +82 31 8086 2340
Fax +82 31 8086 2029
Email kimakins@hanmail.net

Purpose: This study was performed to examine the usefulness of subscores on the Mini-Mental State Examination (MMSE) for predicting the progression of Alzheimer’s disease (AD) dementia in individuals with mild cognitive impairment (MCI).
Patients and Methods: A total of 306 MCI individuals in the Alzheimer’s Disease Neuroimaging Initiative database were included in the study. Standardized clinical and neuropsychological tests were performed at baseline and at 2-year follow-up. Logistic regression analysis was conducted to examine the MMSE total and subscale scores to predict progression to AD dementia in MCI individuals.
Results: The MMSE total score and the MMSE memory, orientation, and construction subscores were inversely associated with AD progression after controlling for all potential confounders; MMSE attention and language subscores were not correlated with AD progression. The MMSE delayed recall score among the MMSE memory subscores and the MMSE time score among the orientation subscores, especially week and day, were inversely associated with AD progression; the MMSE immediate recall and place scores were not correlated with progression.
Conclusion: Our findings suggest that the MMSE memory, orientation, and construction subscores, which are simple and readily available clinical measures, could provide useful information to predict AD dementia progression in MCI individuals in practical clinical settings.

Keywords: mini-mental state examination, MMSE, mild cognitive impairment, MCI, Alzheimer’s disease, AD, memory, orientation, construction

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