Table 1.

Demographic information and clinical characteristics of PD patients and healthy controls in the cohort used in this analysis. Data are presented as mean ± standard deviation. L-DOPA – levodopa; UPDRS - Unified Parkinson's Disease Rating Scale.

Variable	HC (n=28)	PD (n=28)	p Value
Gender (M/F)	17/11	15/13	0.45
Age (yrs)	64.8±5.2	62.3±9.2	0.22
Education (yrs)	16.8±2.6	15.9±2.9	0.30
L-DOPA equivalent	—	626±448	—
UPDRS-III score	2.4±2.3	22.4±8.0	<10−4
Hoehn and Yahr	—	2.0±0.4	—
Disease Duration (yrs)	—	4.7±4.5	—