Table 1.

Characteristics of the study patients (n=18).

Age (y)	70.3 ± 6.7
Sex (male/female)	9/9
Disease duration (years)	8.6 ± 6.6
mH&Y score	2.5 ± 0.6
MMSE score	28.3 ± 1.7
FFT angle (°)	12.8 ± 12.9
SV angle (°)	6.0 ± 9.8
UPDRS part III	14.2 ± 9.4.
UPDRS total	27.3 ± 13.7
LED (mg/day)	636 ± 199.4

Mean ± SD values or numbers of patients are shown. mH&Y, modified Hoehn & Yahr Scale; MMSE, Mini-Mental State Examination; FFT angle, forward flexion of trunk angle; SV angle, subjective vertical position angle; UPDRS, Unified Parkinson's Disease Rating Scale; LED, levodopa-equivalent dose.