Abstract

The Revised Hasegawa Dementia Scale (HDS-R) is the most widely used instrument to screen for dementia in Japan and is similar to the Mini-Mental State Examination (MMSE). The development of a quicker and simpler screening tool, the Japanese Old Stories Cognitive Scale (JOSS), was previously reported. A total of 953 new outpatients from 8 memory clinics in Japan completed the JOSS, HDS-R, and MMSE at first visit. We investigated the relationship of JOSS score with both the total and individual domain scores on the HDS-R and MMSE. We found a significant relation between JOSS score and total HDS-R and MMSE scores. In addition, JOSS score was significantly related to scores on 8 of the 9 HDS-R domains and 7 of the 11 MMSE domains. We obtained regression lines for JOSS score versus HDS-R and MMSE scores. JOSS score could be useful for predicting HDS-R and MMSE scores and thus in estimating cognitive functioning.

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