J Korean Neuropsychiatr Assoc.
2005 Jan;44(1):98-104.
Comparison of the Performance in Two Different Korean Versions of Mini-Mental State Examination: MMSE-KC and K-MMSE
- Affiliations
-
- 1Department of Psychiatry, Pundang Jesaeng Hospital, Daejin Medical Center, Gyeonggido, Korea.
- 2Department of Neuropsychiatry, Seoul National University Bundang Hospital, Gyeonggido, Korea. kwkimmd@snu.ac.kr
- 3Department Neuropsychiatry, Seoul National University Hospital, Seoul, Korea.
- 4Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.
- 5Department of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Gyeonggido, Korea.
Abstract
OBJECTIVES
We compared the scores of the MMSE-KC (Korean version of MMSE in the Korean version of CERAD Assessment Packet) and K-MMSE (Korean MMSE), and analyzed the influences of age, gender, and educational level on the differences between the two.
METHODS
We administered the MMSE-KC and K-MMSE simultaneously along with geriatric depression scale (GDS-K) to 733 community-dwelling elderly aged 50 or over in three districts of Suwon. The differences between the MMSE-KC scores and K-MMSE scores were examined by repeated measure ANOVA computing the MMSE for intra-individual factor, age, gender, and educational level as inter-individual factor, and GDS-K score as a covariate.
RESULTS
The scores of MMSE-KC and K-MMSE were identical only in the 17.8% of the subjects and the difference between the MMSE-KC score and K-MMSE score were significantly influenced by the educational level of the subjects (F (3,173)=8.21, p<0.001). The MMSE-KC score was higher than the K-MMSE score in illiterate subjects, and lower than the K-MMSE score in literate or educated subjects. Although the main effect of the kind of MMSE was not significant in total MMSE scores (F (1,731)=0.91, p>0.1), it was highly significant in 'judgement and writing/reading' subscores (F (1,731)=16.35, p<0.001) and its influences were significantly varied by the educational level of the subjects (F (1,731)=20.82, p<0.001).
CONCLUSION
The MMSE-KC and K-MMSE which were standardized differently are not identical in scores as well as in content, and the difference between the two is greatly influenced by the educational level of the subject. When interpreting or comparing the MMSE scores of the two different versions of Korean MMSE, the comparability of the scores among them observed in this study should be considered.
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