Analysis of Peripapillary Retinal Vessel Diameter in Unilateral Normal-Tension Glaucoma

Table 2

Univariate linear regression analysis showing the associations between retinal nerve fiber layer thickness and other variables in glaucomatous eyes, fellow eyes, and control eyes.

	Unilateral NTG		Unilateral NTG		Control eyes
	Affected eyes		Fellow eyes
	Regression coefficient	value	Regression coefficient	value	Regression coefficient	value
Age (years)	−0.066	0.699	−0.057	0.738	−0.143	0.380
IOP (mmHg)	0.174	0.303	0.057	0.737	−0.148	0.362
Spherical equivalent (diopter)	0.112	0.507	0.038	0.821	0.093	0.569
MD	0.483	0.002	0.110	0.515	0.065	0.691
PSD	−0.341	0.039	−0.182	0.280	−0.267	0.095
CRAE (μm)	−0.05	0.770	0.197	0.242	0.216	0.181
CRVE (μm)	−0.006	0.972	−0.061	0.721	0.260	0.105

NTG: normal-tension glaucoma; IOP: intraocular pressure; MD: mean deviation; PSD: pattern standard deviation; CRAE: central retinal arteriole equivalent; CRVE: central retinal venule equivalent.