Table 1. DCS did not conduct any significant amelioration in two PD patients (Thevathasan et al., 2010).

	Motor UPDRS (score/104)	Timed10-meter walk (s)	Timed hand-arm movements (n/30s)	Timed lower limb tapping (n/30s)
baseline (off stimulation)	37.8 (11.5)	5.5 (1.2)	30.3 (15.9)	54.2 (21.9)
subthreshold stimulation	35.4 (12.5)	5.4 (0.4)	32.7 (18.0)	54.2 (22.8)
suprathreshold stimulation	37.3 (10.5)	5.6 (1.0)	31.2 (16.3)	52.0 (24.7)
friedman (p value)	0.44	0.72	0.32	0.85