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Table 5 Univariate and multivariate regression analysis for the association between baseline variables and BCVA at 12 months

From: Wide-field swept-source OCT angiography of the periarterial capillary-free zone before and after anti-VEGF therapy for branch retinal vein occlusion

Variables

Univariate linear regression

Multivariate linear regression

r

P

β

P

Age

− 0.035

0.800

–

–

Sex

− 0.166

0.230

–

–

Hypertension

− 0.099

0.476

–

–

Duration

− 0.278

0.042

− 0.250

0.948

Type (ischemia/non-ischemia)

0.092

0.507

–

–

Baseline BCVA

0.969

< 0.001

0.840

< 0.001

Baseline CRT

− 0.302

0.026

− 0.193

0.876

Baseline FAZ area

− 0.210

0.128

–

–

P/A ratio in the first-order artery

− 0.828

< 0.001

− 0.163

0.003

P/A ratio in the second-order artery

− 0.963

< 0.001

− 0.242

0.041

  1. P/A = paCFZ area to artery area; CRT = central retinal thickness; BCVA = best-corrected visual acuity; FAZ = foveal avascular zone