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

Table 2

Demographic data of Alzheimer’s disease (AD) subjects and control.

	AD N = 25	Control N = 25	value
Mean age (mean, SD)	65.52 (2.79)	64.28 (3.42)	0.166^a
Sex (n, %)
Male	13 (52.0)	21 (84.0)	0.015^b
Female	12 (48.0)	4 (16.0)
Race (n, %)
Malay	19 (76.0)	22 (88.0)	0.543^b
Chinese	4 (4.0)	2 (8.0)
Others	2 (8.0)	1 (4.0)
Mean MoCA score (mean, SD)	19.72 (3.64)	27.00 (1.61)	<0.001^a
MoCA score classification (n, %)
Normal	0 (0)	25 (100)	<0.001^b
Mild cognitive impairment	13 (52.0)	0 (0)
Mod cognitive impairment	12 (48.0)	0 (0)

^aIndependent t-test. ^bPearson’s chi-square test.