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Ann Geriatr Med Res  <  Volume 18(1); 2014 <  Articles

J Korean Geriatr Soc 2014; 18(1): 16-23  https://doi.org/10.4235/jkgs.2014.18.1.16
One-Year Follow-up Pilot Study for Dementia Diagnosis in Elderly with Recall
Score of 0 in Korean-version of Mini-Mental State Examination
Yun Jeong Hong, MD1, Dong Won Yang, MD2,3, Bora Yoon, MD4, Yong S. Shim, MD2,
A-Hyun Cho, MD2, Il-Woo Han, MD1, Myoung Sung Moon, MD3
1Departments of Neurology, Yong-in Hyoja Geriatric Hospital, Yongin, 2Department of Neurology, Seoul St. Mary’s
Hospital, School of Medicine, The Catholic University of Korea, Seoul, 3Mapo-gu Regional Center for Dementia, Seoul,
4Department of Neurology, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
Received: July 1, 2013; Revised: November 7, 2013; Accepted: November 7, 2013; Published online: March 31, 2014.
© The Korea Geriatrics Society. All rights reserved.

Abstract
Background: The early stage of Alzheimer disease might show early memory impairment with normal general cognitive function. Our study aimed to investigate elderly with normal Korean version of mini-mental state examination (KMMSE) score and recall score of 0 for 1 year. We predicted that the patients would show different characteristics and would progress more rapidly compared with normal controls.
Methods: This study was based on the data from complete enumeration survey of Mapo-gu Regional Center for Dementia in 2009. We divided all subjects into three groups: subjects with normal K-MMSE scores and recall score of 0 were group 1-1 (n=152), subjects with abnormal K-MMSE scores were group 1-2 (n=64) and subjects with normal K-MMSE scores and recall score of 1 to 3 were group 1-3 (n=941). We compared basic demographics and social characteristics among the three groups. After 1 year (2010), the subjects in group 1-1 (90 out of 152) underwent follow- up examinations for dementia diagnosis. They were also divided into three groups (2-1, 2-2, 2-3) according to K-MMSE and recall scores.
Results: Group 1-1 showed different baseline characteristics compared with normal controls. After 1 year, 25.5% (23 out of 90) of the group 2-1 were diagnosed as mild cognitive impairment (n=16) or dementia (n=7).
Conclusion: Our study suggested that subjects with normal K-MMSE scores but recall score of 0 are not entirely “normal”. Further detailed evaluation might be needed if memory impairment is suspicious although the K-MMSE scores are within normal range.
Keywords: K-MMSE, Memory recall, Enumeration survey, Dementia


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