Table 1 Demographic and clinical characteristics of participants

n

15

15

20

Age (y)

64.13 ± 5.66

62.67 ± 7.76

63.10 ± 7.77

0.848^a

Sex (M/F)

6/9

10/5

13/7

0.239^b

Education (y)

12.07 ± 3.28

13.20 ± 2.40

11.65 ± 3.39

0.406^c

MoCA

26.33 ± 1.59

26.47 ± 0.99

27.15 ± 1.27

0.142^a

HAMD-24

3.47 ± 2.20

3.80 ± 1.61

2.65 ± 1.98

0.272^c

HAMA

3.53 ± 1.81

3.67 ± 1.88

2.75 ± 2.07

0.319^a

Age at onset

59.80 ± 7.37

58.53 ± 8.04

NA

0.656^d

Disease duration (y)

4.33 ± 2.87

4.13 ± 2.70

NA

0.845^d

Initial side of onset of motor symptoms (R/L)

7/8

8/7

NA

0.715^b

UPDRS-III

15.80 ± 5.98

15.73 ± 5.13

NA

0.835^e

H&Y stage (1/1.5/2)

7/4/4

4/7/4

NA

0.433^f

LEDD, mg/d

465.63 ± 246.67

449.03 ± 202.29

NA

0.842^d

ΔUPDRS-III

−2.73 ± 2.84

0.13 ± 3.00

NA

0.012^{d, *}