Table 1. Demographic and clinical characteristics of the apathy and non-apathy groups.

	Apathy (n = 18)	Non-apathy (n = 18)	Statistics (p-value)
Age (years)	63.7 (3.0)	64.8 (3.0)	0.276
Sex (female)	7	9	0.738
Education (years)	12.2(2.0)	13.4(2.9)	0.148
MMSE	28.3 (1.7)	28.9 (1.4)	0.302
FAB	15.9 (1.8)	16.4 (1.3)	0.309
KOHS	99.1 (19.9)	105 (13.9)	0.277
AS	19.2 (2.1)	2.6 (1.7)	<0.001
SDS	38.6 (5.0)	28.2 (5.1)	<0.001

Note. Data are demonstrated as means (standard deviation). Abbreviations: FAB, Frontal Assessment Battery; KOHS, Kohs Block Design Test; AS, Apathy scale; SDS, Zung’s self-rating depression scale.