Table 3. Associations between the prevalence of extracranial carotid artery stenosis and retinal nerve fiber layer thickness (μm) (Binary multivariate regression analysis) in the asymptomatic polyvascular abnormalities in community study.

Variable	P-Value	Odds Ratio	95% Confidence Interval of Odds Ratio
Retinal Nerve Fiber Layer Thickness (μm)	0.007	0.99	0.98, 0.99
Age (Years)	<0.001	1.06	1.05, 1.07
Prevalence of Intracranial Carotid Artery Stenosis	0.01	1.34	1.07, 1.69
Prevalence of Plaques in the Carotid Arteries	<0.001	9.18	6.93, 12.2
Blood Concentration of Total Cholesterol	0.03	1.12	1.01, 1.23