Table 1.

Demographic and clinical features of PD patients and controls. Unless otherwise indicated, the mean values are given, with standard deviations in parenthesis.

	PD group	Control group	$p$-Value
Age (years)	69.9 (10.1)	65.6 (9.9)	0.23
Proportion of men (%)	60	45	0.52
Education (years)	9.3 (4.1)	12.1 (5.2)	0.06
Reported handedness (right/left)	20/0	20/0	1.00
MoCA	21.6 (3.8)	26.2 (2.7)	<0.001
Unified PD rating scale III	37.4 (18.6)	N/A	N/A
Disease duration (years)	8.2 (3.8)	N/A	N/A
Freezing of gait questionnaire (range)	2.7 (0 to 15)	N/A	N/A
Levodopa equivalent daily dosage (mg)	707.5 (394.8)	N/A	N/A
HY scale (range)	2.9 (2 to 4)	N/A	N/A
Side of symptom onset (right/left)	9/11	N/A	N/A