Table 2.

Clinical and demographical characteristics of participants.

	PD (n = 30)	HC(n = 30)	p value
Gender (female/male)	10/20	11/19	0.518
Age (mean ± SD)	56.51 ± 1.40	51.18 ± 1.33	0.007
Age at disease onset, (mean ± SD)	49.36 ± 9.17
Disease duration, years (mean ± SD)	6.91 ± 3.32
UPDRS total (mean ± SD)	42.45 ± 19.02
UPDRS I	6.57 ± 4.15
UPDRS II	11.09 ± 8.36
UPDRS III	23.57 ± 14.34
UPDRS IV	1.85 ± 5.48
H&Y scale	2.12 ± 0.60

H&Y Scale Hoehn and Yahr Scale, HC healthy controls, UPDRS :Unified Parkinson's Disease Rating Scale, PD Parkinson’s disease.