Table 2 OCT angiography parameters of the Radial Peripapillary Capillary Plexus (RPCP) in VHL eyes with or without RH and healthy controls.

From: Structural and microvascular changes of the peripapillary retinal nerve fiber layer in Von Hippel–Lindau disease: an OCT and OCT angiography study

RPCP mean (SD)

VHL w/out RH (71eyes)

Healthy controls (56 eyes)

VHL with RH (38 eyes)

VHL w/out RH vs controls

p-value

VHL with RH vs VHL w/out RHs

p-value

VHL with RH

vs controls

p-value

VAD

0.4881 (0.13)

0.52390 (0.09)

0.5059 (0.12)

0.1248

0.4630

0.4609

VLF

0.0853 (0.02)

0.0889 (0.01)

0.0885 (0.01)

0.2830

0.5038

0.9281

VDI

5.6312 (0.64)

5.8827 (0.53)

5.6747 (0.60)

0.0293

0.7529

0.0365

FDbin

1.8182 (0.09)

1.8466 (0.04)

1.8346 (0.06)

0.0929

0.6281

0.2860

FDsk

1.5357 (0.07)

1.5568 (0.04)

1.5539 (0.05)

0.1628

0.4333

0.7518

  1. FDbin, Fractal Dimension of binary image; FDsk, Fractal Dimension of skeletonized images; RH, retinal hemangioblastomas; VAD, Vascular Area Density; VDI, Vessel Diameter Index; VHL:Von Hippel-Lindau Disease; VLF, Vessel Length Fraction.
  2. Significant p value in bold.
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