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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