Table 1.

Demographic and clinical characteristics of patients and controls.

Variable	All patients (N = 29)	Controls (N = 12)	p value∗	Patients at low risk of fall (N = 23)	p value†
Sex (M/F)	12/17	3/9	0.480	10/13	0.463
Age (years)	69.2 ± 8.8	66.5 ± 6.3	0.322	67.8 ± 8.5	0.649
Weight (kilograms)	75.8 ± 10.4	73.4 ± 9.6	0.48	75.9 ± 11.3	0.52
Height (centimeters)	173.7 ± 8.2	172.6 ± 9.0	0.69	174.4 ± 7.3	0.51
Education (years)	10.06 ± 4.8	10.5 ± 5.4	0.80	10.1 ± 4.7	0.86
Disease duration (years)	10.6 ± 5.2			11.2 ± 5.0
UPDRS III	18.6 ± 5.5			18.1 ± 5.7
Side of disease onset (L/R)	18/11			12/11
L-DOPA equivalent (mg/day)	742.2 ± 336.4			792.2 ± 340.8

^∗ p value for the comparison between all patients and controls.

^† p value for the comparison between patients at low risk of fall and controls.

UPDRS III: Unified Parkinson's Disease Rating Scale, part III, ON state.