Chonnam Med J.  2002 Mar;38(1):12-16.

Norms for the Korean Mini-Mental State Examination (K-MMSE) among Rural Community Populations in Korea

Affiliations
  • 1Department of Neurology, Chonnam National University Medical School, Gwangju, Korea. euijson@yahoo.com

Abstract

The Mini-Mental State Examination (MMSE) is the most popular screening test to measure cognitive function and its relationship with age, educational level, and gender is already known. To obtain the population-based norms for the Korean Mini-Mental State Examination (K-MMSE) by age, educational level, and gender among rural community populations in Korea, I applied the K-MMSE to 917 participants (320 men, 597 women; ages 35 to 91) living in Namwon County, Korea, selected by a stratified two-stage cluster sampling. To assess the relationship between K-MMSE score and age, educational level, and gender, I performed student t test, one-way analysis of variance, bivariate correlation, and stepwise multiple regression analysis. Summary scores for the K-MMSE are given in the form of mean, median, and percentile distributions specific for age, educational level and gender. The K-MMSE scores were significantly related to age, educational level, and gender (p<0.001). The mean K-MMSE score ranged from 25 for those 35 to 54 years of age, to 18 for those 75 years of age and older. The mean K-MMSE score was 20 for those with no schooling, 25 for those with 1 to 6 years of schooling, and 27 for those with more than 7 years of schooling. The mean K-MMSE score was 24 for men and 21 for women. To improve the sensitivity of K-MMSE as a screening test of cognitive function especially in low educational populations, we need to use different cutoff points according to patient's age, educational level and gender.

Keyword

Mini Mental State Examination (MMSE); Age; Education; Gender; Korea
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