Skip to main content

Table 2 Comparison of foveal avascular zone and vessel density between autoimmune retinopathy and controls

From: Autoimmune retinopathy: findings and limitations from optical coherence tomography angiography

  Controls AIR p value
Eyes, no 5 5  
Scan quality (1–10), mean (SD) 7.8 (± 1.3) 6.8 (± 0.8) 0.19
Signal strength index (1–100), mean (SD) 66.0 (± 11.2) 57.0 (± 2.9) 0.14
FAZ (mm2), mean (SD) 0.194 (± 0.040) 0.290 (± 0.154) 0.21
Vessel density (%), mean (SD)
 Total retina
  Whole image 52.5 (± 5.0) 46.3 (± 6.6) 0.14
  Fovea 39.4 (± 6.5) 32.4 (± 7.4) 0.15
  Parafovea 56.4 (± 5.4) 49.6 (± 7.1) 0.12
  Perifovea 52.6 (± 5.4) 44.8 (± 6.0) 0.08
 Inner retina
  Whole image 48.5 (± 3.1) 43.9 (± 4.9) 0.11
  Fovea 25.3 (± 5.4) 25.0 (± 6.8) 0.94
  Parafovea 51.7 (± 4.4) 46.9 (± 5.9) 0.18
  Perifovea 48.4 (± 3.1) 43.3 (± 4.5) 0.08
 Outer retina
  Whole image 49.5 (± 6.4) 39.4 (± 4.4) 0.02
  Fovea 43.6 (± 6.0) 36.0 (± 7.3) 0.11
  Parafovea 53.7 (± 4.4) 44.6 (± 4.2) 0.01
  Perifovea 50.4 (± 7.4) 37.7 (± 1.5) 0.01
  1. Vessel density is represented as a percentage with standard deviation (SD)
  2. Italic values indicate statistical significance at p < 0.05