Table 6.

p-values for the correlation between VEP variables and UPDRS score in the PD group.

Spearman correlation test	p values
	UPDRS 1	UPDRS 2	UPDRS 3	UPDRS 4	UPDRS total
Right VEP P100 latency	0.753	0.646	0.767	0.691	0.795
Right VEP amplitude	0.787	0.170	0.677	0.897	0.426
Right VEP N75 latency	0.779	0.957	0.467	0.592	0.695
Right VEP N135 latency	0.262	0.529	0.476	0.152	0.355
Left VEP P100 latency	0.907	0.787	0.255	0.454	0.458
Left VEP amplitude	0.846	0.751	0.740	0.520	1.00
Left VEP N75 latency	0.779	0.957	0.467	0.592	0.645
Left VEP N135 latency	0.452	0.994	0.891	0.271	0.899