Table 1.

Baseline clinical characteristics of the PD cohort (n=205) used in this study.

Clinical characteristics	Mean (SD) or n (%)
Gender
Male	128 (62.43%)
Female	77 (37.56%)
Age (years)	64.0 (9.38)
Disease duration (years)	8.9 (5.80)
LED (mg/day)	888.6 (587.9)
Deep brain stimulation
Yes	37 (18.05%)
No	168 (91.95%)
MDS-UPDRS III score	19.56 (13.15)
H&Y score	1.69 (0.92; IQR = 1)
Total ACE-R score	85.72 (12.65)
Homocysteine (µmol/L)	11.55 (4.06)
Vitamin B12 (pmol/L)	331.87 (184.54)
Serum folate (nmol/L)	31.59 (8.40)