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Information regarding the relationships of the Mini-Mental State (MMS) and a modified Dementia Rating Scale (mDRS) to measures of change, that is, "transitional" health status, in dementia would be potentially useful in the evaluation and care of demented patients. In a longitudinal study of demented outpatients, MMS and mDRS at entry and at 1- to 2-year follow-up were significantly correlated with five measures of physician- and advocate-rated transitional health status and change in living arrangement during this interval (p less than .01). MMS and mDRS at follow-up also predicted mortality during a subsequent year of follow-up (p less than .01). Estimated change in MMS and mDRS was significantly correlated with all transition variables, except for MMS and results suggest MMS, mDRS, and estimated change in them reflect these aspects of transitional health status in dementia.
Uhlmann et al. (1987) studied this question.