TABLE 1.

Demographic and clinical profiles of healthy control subjects and patients with Parkinon's disease

Variables	Healthy Control Subjects	iPD	P Value
Subjects, n	60	60	Ν/Α
Age (years), ±SD	64.38 ± 1.335	64.73 ± 1.33	0.84
Sex (M/F)	29/31	29/31	1
Age of onset (years), ±SD	Ν/Α	59.95 ± 10.97	Ν/Α
Disease duration (years), ±SD	Ν/Α	4.78 ± 0.55	Ν/Α
Unified Parkinson's Disease Rating Scale part III, ±SD (on/off state)	Ν/Α	25.77 ± 1.92 (42/18)	Ν/Α
Mini‐Mental State Examination, ±SD	Ν/Α	27.53 ± 0.56	Ν/Α
Hoehn & Yahr, ±SD	Ν/Α	1.82 ± 0.10	Ν/Α
Levodopa equivalent daily dose, ±SD	Ν/Α	496.9 ± 59.71	Ν/Α

iPD, idiopathic Parkinson's disease; SD, standard deviation; N/A, not applicable