Means and standard deviations of the CoP parameters symmetric index (%) in patients with PD (PD) and the control group (CG).

* indicates a significant difference between the PD and CG.

# indicates a significant difference between the bipedal and tandem conditions.

&indicates a significant difference between the bipedal and unipedal conditions.

Means and standard deviations of the CoP parameters symmetric index (%) in patients with PD (PD) and the control group (CG).