Reliability and validity of the mini-mental state exam in neurologically intact elderly

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Abstract
Reliability and validity of MMSE were explored in a sample of 122 healthy, community-residing elderly volunteers between the ages of 57 and 85, who were tested with a battery of neuropsychological tests over three annual probes. Test-retest reliability ranged between .45 and 50 over a 1-year interval and was .38 over a 2-year period. Change on the MMSE of more than 5 points over a 2-year period was associated with a neurological disorder. Significant correlations were found with many neuropsychological measures, especially with a measure of verbal learning.