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Table 1 Peripapillary Flux Index (FI) and Vessel Perfusion Density (VPD) mean variations and p Values in NAION eyes and papillitis

From: Optical coherence tomography angiography at the acute phase of optic disc edema

  NAION
(N= 4)
Papillitis
(N= 6)
  Mean variation
(SD)
p Value Mean variation
(SD)
p Value
FI global 0.0027
(0.0104)
0.8750 0.0243 (0.0229) 0.0313
FI temporal 0.0179
(0.0147)
N/A 0.0258
(0.0258)
N/A
FI superior −0.0121
(0.0256)
N/A 0.0277
(0.0188)
N/A
FI nasal 0.0235
(0.0147)
N/A 0.0299
(0.0204)
N/A
FI inferior −0.0244
(0.0355)
N/A 0.0120
(0.0277)
N/A
VPD global −0.0126
(0.0289)
0.6250 −0.0136
(0.0211)
0.2188
VPD temporal −0.0072
(0.0285)
N/A 0.0030
(0.0425)
N/A
VPD superior −0.0356
(0.0273)
N/A −0.0131
(0.0618)
N/A
VPD nasal 0.0050
(0.0404)
N/A 0.0002
(0.0264)
N/A
VPD inferior −0.0171
(0.0734)
N/A −0.0447
(0.0284)
N/A
  1. The mean variation corresponds to the difference between involved eyes and unaffected fellow eyes