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KMID : 0368820050440050612
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Journal of the Korean Neuropsychiatr Association
2005 Volume.44 No. 5 p.612 ~ p.618
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Two Consecutive 6-Year Follow-ups of the MMSEK in the Rural Elderly.
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Park Jong-Han
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Abstract
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Objectives: To examine the changing pattern of cognitive function in old age.
Methods: Longitudinal observation of MMSEK performances of the elderly living in a rural community through 2 consecutive 6-year follow-ups. The mean, standard deviation, and coefficient of variability of the three consecutive MMSEK performances with 6-year interval were indicators of the changing pattern. Paired t-test was used for comparison of two consecutive MMSEK performances : MMSEK-90 vs MMSEK-96 and MMSEK-96 vs MMSEK-02, while Student’s t-test for comparison between the first and second 6-year changes of the MMSEK performance.
Results: In all age groups, the MMSEK performance declined significantly during the two consecutive 6-year periods, the standard deviation and coefficient of variability widened with age, and the second 6-year decline of the MMSEK performance was significantly greater than the first 6-year decline.
Conclusion: Decline of the cognitive function is steeper in the elderly with age and the declining pattern is the ’fan-spread’ shape.
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KEYWORD
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Aged, Cognition, Mini-mental state examinaiton
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