Table 1.

Participant demographics.

Group (N = 55)	H&Y I (N = 9)	H&Y II (N = 12)	H&Y III (N = 14)	H&Y IV (N = 8)	HC (N = 12)
Age (years)	59.67 ± 7.02	61.50 ± 8.37	65.21 ± 7.50	63.25 ± 8.96	62.90 ± 7.39
Gender (% female)	8.11	24.32	27.03	10.81	13.51
Weight (kg)	79.33 ± 10.07	71.07 ± 8.38	72.17 ± 12.28	70.43 ± 15.45	77.00 ± 11.38
Height (cm)	171.00 ± 3.61	168.93 ± 5.18	165.92 ± 6.40	166.14 ± 8.28	170.30 ± 5.79
MDS-UPDRS (III)	22.33 ± 1.80	33.75 ± 7.21	39.86 ± 1201	46.50 ± 11.33
R	3.33 ± 1.00	5.50 ± 2.28	5.57 ± 2.21	6.75 ± 3.06
B	10.00 ± 2.00	14.14 ± 2.88	16.38 ± 5.19	18.71 ± 7.06
A	6.33 ± 2.18	8.33 ± 2.74	11.50 ± 1.09	13.75 ± 5.97
T	4.00 ± 4.58	4.67 ± 3.34	11.36 ± 3.89	11.88 ± 1.13
LEDD (mg)	166.67 ± 115.47	355.36 ± 142.16	447.88 ± 123.97	573.40 ± 162.65
Disease duration (years)	1.67 ± 0.58	3.86 ± 2.14	5.85 ± 2.15	6.29 ± 1.38

Data are presented as the mean ± standard deviation or proportion. H&Y= Hoehn and Yahr stage, HC = healthy control, MDS-UPDRS = Movement Disorder Society Revised Unified Parkinson's Disease Rating Scale, R = rigidity subscore, B = bradykinesia subscore, A = axial subscore, T = tremor subscore, LEDD = levodopa equivalent daily dose.