Table 1.

Demographical descriptions of controls and patients with Parkinson’s disease (PD).

Items	Controls (N = 26)	PD (N = 39)	P-value
Age (years)	56.0 + 7.5	55.8 + 8.6	0.93
M:F	13:13	20:19	0.92
Mean total UPDRS scores	—	26.1 + 22.5
UPDRS-I	—	1.2 + 1.4
UPDRS-II	—	7.3 + 6.6
UPDRS-III	—	16.2 + 14.1
Hoehn and Yahr stage	—	1.8 + 1.1