Fig. 1

Conversion rate from MCI to DAT according to the age at diagnosis. The conversion rate from MCI to DAT varies according to the age at diagnosis. The conversion of DAT is lower in individuals aged 40–60 years, but rises in individuals aged 70–90 years and reaches a plateau near the age of 100 years. DAT, dementia of the Alzheimer’s type; MCI, mild cognitive impairment.