Table 1 Participants clinical characteristics

Gender, N of males vs. females

18 vs. 15

Age, years

71 (67 to 77)

Time from diagnosis, years

6 (4 to 9)

UPDRS III, total score

35 (25 to 45)

 mild, UPDRS III ≤ 32, N

15

 moderate, UPDRS III > 32 and ≤ 58, N

16

 severe, UPDRS III > 58, N

2

TUG test durations

10.1 (8.9 to 11.3)

Gait speed, m/s

1.24 (1.11 to 1.36)

Step length, m

0.61 (0.56 to 0.63)

Walk ratio, mm/step/min

4.9 (4.4 to 5.1)

FAB, total score

16.5 (14.25 to 17)