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KMID : 0897520080130010003
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Journal of Korean Association of Social Psychiatry
2008 Volume.13 No. 1 p.3 ~ p.9
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Reliability and Validity of the Korean Version of Memory Impairment Screen(MIS-K) as a Dementia Screening Instrument
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Chang Sung-Man
Choi Jung-Seok
Lee Jun-Young
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Abstract
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The aims of this study are to develop the Korean Version of Memory Impairment Screen(MIS-K) by analyzing re-liability and validity, and to show its usefulness as a dementia screening instrument. A total of 124 participants(34 dementia vs. 90 normal control) were confirmed the final diagnosis by psychiatrist. All of them were administered MIS-K, B-ADL(Korean version of Bathel ADL Index), L-IADL(Korean version of Bathel ADL Index), MMSE-KC, BDS-K(Korean Behavioral dyscontrol scale) and GDS(geriatric depression scale). Inter-rater reliability, test-retest reliability and internal consistency of MIS-K were analyzed. To verify the concurrent validity of MIS-K, correlations with other tests(MMSE-KC, B-ADL, L-IADL, MMSE-KC) were analyzed. The sensitivity and specificity for each cut-off point of MIS-K were estimated and the Receiver Operator Characteristic (ROC) curve method was performed to get its optimal cut-off point. MIS-K was found to have significantly high internal consistency, inter-rater reliability, and test-retest reliability. The significant correlations of MIS-K with other tests were also shown. Its optimal cut-off point was estimated as 5/6, and the sensitivity and specificity were 0.94 and 0.93, respectively. The ROC curve analysis indicated that the diagnostic efficiency of MIS-K was comparable with MMSE-KC. We conclude that MIS-K has not only high reliability and validity, but also usefulness as a screening instrument for dementia.
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KEYWORD
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Dementia, Screening, MIS-K
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