Quantitative Assessment Parameters of Peripapillary Regions with Branch Retinal Vein Occlusion by Using Optical Coherence Tomography Angiography

Table 2

The vessel density, RNFL thickness, and ONH analysis of unilateral BRVO.

OCTA parameters	BRVO eye	Fellow eye	value
Section density (%)
(i) WI capillary			0.006
(ii) WI all vessel			0.033
(iii) WI larger blood vessel			0.003
(iv) ID capillary			0.162
(v) ID all vessel			0.183
(vi) ID larger blood vessels			0.859
(vii) PP capillary			<0.001
(viii) PP all vessel			<0.001
(ix) PP larger blood vessels			0.019
RNFL thickness, um
(i) PP			0.001
ONH analysis
(i) Cup/disc area ratio			0.937
(ii) Cup/disc vertical ratio			0.590
(iii) Cup/disc horizontal ratio			0.915
(iv) Rim area (mm^2)			0.52
(v) Cup volume (mm^3)			0.517

RNFL: retinal nerve fiber layer thickness; ONH: optic nerve head; BRVO: branch retinal vein occlusion; OCTA: optical coherence tomography angiography; WI: whole image of  mm of Angio Disc scan; ID: inside disc; PP: peripapillary. All data are presented as , was considered statistically significant.