Table 1

Subjects’ clinical and demographic data

VariableControls
(n=48)
Experimental group
(n=186)
P value
Male (%)30 (62.5)106 (57.0)0.17
Age66.9±10.566.5±8.60.77
Hoehn and Yahr stage2.6±0.62.6±0.50.75
Disease duration (years)7.4±5.39.0±5.60.72
Education (years)10.9±4.210.2±3.90.54