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 |