Table 2.

Patient’s backgrounds and clinical features at baseline.

N = 9 (men = 2/women = 7)	Mean (SD)
Age (year)	71.8 (7.2)
mean disease duration (year)	7.5 (4.3)
Hoehn-Yahr	3.0 (0.4)
Mini-Mental State Examination, MMSE	28.8 (1.5)
Montreal Cognitive Assessment, MoCA	24.9 (3.2)
Frontal Assessment Battery, FAB	14.9 (1.5)
Self-Rating Depression Scale, SDS	45.7 (10.3)
Starkstein Apathy Scale, SAS	16.3 (6.9)