Table 1.

Demographic information of the subject included from the databases.

Mean ± SD	NC	AD	FTD
Count (M/F)	1063 (533/530)	459 (270/189)	434 (266/168)
Age (Mean ± SD)	72.19 ± 8.28	75.91 ± 7.54	64.69 ± 8.51
Education (Mean ± SD)	16.66 ± 3.24	15.13 ± 2.58	19.05 ± 1.12
MMSE (Mean ± SD)	29.40 ± 1.39	23.20 ± 1.96	25.36 ± 6.12

First row (Count M/F): total number as well as number of male and female subjects in each clinically diagnostic group. Second row: the mean and standard deviation of subject age (unit: years). Third row: the mean and standard deviation of subject's years of education (unit: years). Forth row: the mean and standard deviation of subject's clinically evaluated MMSE score.