Table 1.

Demographic and clinical features of PPMI cohort

	Parkinson’s disease	HC
Size	232	117
Male/female	155/77	74/43
Age at baseline	61.2 ± 9.1	59.5 ± 11.3
Education (years)	15.4 ± 2.7	15.7 ± 2.8
MoCA	27.3 ± 2.2	28.2 ± 1.2
UPDRS3	21.9 ± 9.1.2	n/a
Hoch and Yarh stage	1.6 ± 0.5	n/a
Symptom duration	0.58 ± 0.59	n/a
Handedness (L/R/A)	17/210/5	n/a