Onset of global akinesia

G I

G II

G III

G IV

X²

P-value

N

%

N

%

N

%

N

%

1 m

0

0

1

3.3

4

13.3

0

0

8.971

0.030*

3 m

4

13.3

18

60

19

63.3

6

20

25.582

0.001*

5 m

14

46.7

11

36.7

7

23.3

19

63.3

10.472

0.015*

8 m

12

40

0

0

0

0

5

16.7

26.523

0.022*