Relationship of Retinal Vessel Caliber with Age-Related Macular Degeneration

Table 1

Retinal vessel diameters based on patient demographic and clinical characteristics.

	No. of patients	No. of eyes	CRAE (mean ± SD)	CRVE (mean ± SD)	AVR (mean ± SD)
Total	594	1172	175.3 ± 18.1	262.5 ± 17.3	0.67 ± 0.05
Sex
Male	270	538	177.0 ± 16.2	265.5 ± 15.0	0.66 ± 0.05
Female	324	634	173.8 ± 19.4	260.0 ± 18.6	0.67 ± 0.06
Smoking status
Never	261	518	174.7 ± 17.2	260.4 ± 16.8	0.67 ± 0.05
Former	279	548	174.1 ± 18.2	262.1 ± 16.4	0.66 ± 0.05
Current	54	106	184.1 ± 18.9	275.0 ± 19.0	0.67 ± 0.05
Cilioretinal artery
Present	206	228	174.8 ± 18.3	262.2 ± 17.3	0.67 ± 0.05
Absent	551	893	177.8 ± 17.7	264.2 ± 17.3	0.66 ± 0.05

CRAE, central retinal arteriolar equivalent; CRVE, central retinal venular equivalent; AVR, arteriole-to-venule ratio; SD, standard deviation.