Evaluation of Retinal Nerve Fiber Layer Thickness, Electroretinogram and Visual Evoked Potential in Patients with Alzheimer’s Disease

Table 9

Correlation between the mean RNFL thickness of the right eye with PERG and PVEP readings in AD patients.

	R	R^2	F	r	value
PERG parameters
N35 (ms)	0.013	<0.001	0.004	0.013	0.951
P50 (ms)	0.582	0.339	11.795	−0.582	0.002
N95 (ms)	0.114	0.013	0.303	0.114	0.587
N35–P50 (μV)	0.749	0.561	29.388	0.749	<0.001
P50–N95 (μV)	0.500	0.250	7.667	0.500	0.011
PVEP parameters
N75 (ms)	0.036	0.001	0.030	−0.036	0.865
P100 (ms)	0.282	0.079	1.986	0.282	0.172
N135 (ms)	0.301	0.091	2.300	−0.301	0.143
N75–P100 (μV)	0.024	0.001	0.013	−0.024	0.910
P100–N135 (μV)	0.316	0.100	2.555	−0.316	0.124

Simple linear regression and Pearson’s correlation ().