Relationship of Retinal Vessel Caliber with Age-Related Macular Degeneration

Table 2

Relationship of retinal vessel diameters with clinical characteristics.

Factor	Category/increment	CRAE			CRVE			AVR
		B	95% CI	value	B	95% CI	value	B	95% CI	value
Age	1 year	−0.187	−0.446, 0.072	0.156	−0.214	−0.478, 0.049	0.111	0.000	−0.001, 0.001	0.588
Sex	Female vs. male	−3.104	−4.768, −1.441	<0.001	−5.510	−7.044, −3.976	<0.001	0.002	−0.003, 0.007	0.499
Smoking status	Never	Ref			Ref			Ref
	Former	−0.299	−3.036, 2.437	0.830	1.481	−1.104, 4.066	0.262	−0.005	−0.013, 0.002	0.169
	Current	9.455	4.382, 14.528	<0.001	13.687	8.449, 18.926	<0.001	0.001	−0.014, 0.015	0.915
Cilioretinal artery	Present vs. absent	3.467	0.868, 6.066	0.009	2.631	0.085, 5.178	0.043	0.007	−0.001, 0.015	0.096

CRAE, central retinal arteriolar equivalent; CRVE, central retinal venular equivalent; AVR, arteriole-to-venule ratio (AVR); B, beta coefficient; CI, confidence interval.