Table 2. Mean difference between days for both the tapping frequency and the CV during VR testing.

	MEAN DIFFERENCE (D1–D2) AND [95%CI]
	PD (n = 10)	EC (n = 12)	YC (n = 12)	GROUPS POOLED
TAPPING FREQUENCY (Hz)	−0.32 [−0.90; 0.25]	0.05 [−0.22; 0.33]	0.03 [−0.25; 0.20]	−0.09 [−0.27; 0.11]
CV INTERTAP INTERVAL (%)	1.73 [−5.02; 8.49]	0.26 [−1.31; 1.83]	0.35 [−0.19; 0.90]	0.73 [−1.09; 2.54]