TABLE 1.

Demographic characteristics of the healthy controls (HC) and the two PPA treatment groups, the group mean and standard deviation values are shown. The two treatment groups were compared with independent t-test, results shown in the last column.

	HC (N = 19)	PPA tDCS (N = 16)	PPA Sham (N = 16)	tDCS vs. Sham (t-Value)
Age	65 (8.14)	64 (7.45)	69 (5.06)	−2.17*
Gender (N of female)	14	8	8	NA
Education (year)	16 (2.63)	17 (2.02)	17 (1.91)	0.23
Time since onset (year)	NA	5.13 (3.55)	4.22 (2.36)	0.85
FTDL-CDR (scale 0–15)	NA	7.31 (3.93)	7.84 (5.52)	−0.32
FTDL-CDR Language (scale 0–3)	NA	1.88 (0.87)	1.88 (0.81)	0

*p < 0.05.