Screening of Mild Cognitive Impairment: Utility of the Japanese version of the Short Test of Mental Status Hideki HAYASHIDA 1,2 , Takemi KIMURA 2 , Masaki SHIOZAWA 2 , Junichi TAKAMATSU 2 1Department of Psychiatry, Kumamoto Yuushin Hospital, Kumamoto, Japan 2Division of Clinical Research, Kikuchi National Hospital Keyword: Japanese version of the Short Test of Mental Status , Mild cognitive impairment , Screening , Reliability , Validity pp.275-281
Published Date 2009/3/15
DOI https://doi.org/10.11477/mf.1405101385
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 Recent advances in the treatment of dementia suggest that the onset of dementia can be delayed using clinical measures. Petersen and his colleagues proposed that mild cognitive impairment (MCI) is a precursor of dementia, and currently, screening for MCI is considered to be extremly important. They also reported the usefulness of the Short Test of Mental Status (STMS) for screening of MCI. In this study, we developed the Japanese version of the STMS (STMS-J) and examined its reliability, validity and usefulness for screening of MCI by investigating 160 outpatients and 53 healthy controls. The internal consistency of STMS-J was sufficiently high (α=0.87). The correlation coefficients were significantly high at the time of parallel inspection (rs=0.75, p<0.0001)and test-retest (rs=0.39, p=0.0006). This suggested that the STMS-J had high validity. The cut-off STMS-J scores for the control and MCI groups were set at 28 and 29, respectively, and the sensitivity and specificity at these cutoff values were over 90%. These findings strongly suggest the significant usefulness of the STMS-J for screening of MCI.

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