Table 4.
Parafoveal vessel densities and foveal parameters in control group (50 eyes) and CKD group (n = 200 eyes)
| Control | CKD | P value | |
|---|---|---|---|
| SVP vessel density, % (mean ± SD, range) | |||
| Parafoveal | 49.7 ± 2.9, 43.7‐55.8 | 46.7 ± 4.3, 34.2‐54.4 | <0.001 |
| Temporal | 48.5 ± 2.8, 43.5‐53.6 | 45.4 ± 4.5, 32.1‐54.9 | <0.001 |
| Superior | 50.8 ± 3.3, 43.5‐57.3 | 47.8 ± 4.6, 32.8‐56.0 | <0.001 |
| Nasal | 49.1 ± 3.1, 42.8‐55.2 | 46.3 ± 4.3, 33.7‐54.6 | <0.001 |
| Inferior | 50.6 ± 3.5, 41.8‐57.4 | 47.3 ± 4.8, 29.6‐55.9 | <0.001 |
| DVP vessel density, % (mean ± SD, range) | |||
| Parafoveal | 52.6 ± 2.9, 46.2‐58.2 | 50.1 ± 4.1, 37.9‐58.9 | <0.001 |
| Temporal | 53.1 ± 2.9, 46.6‐59.6 | 50.2 ± 4.1, 37.0‐59.2 | <0.001 |
| Superior | 52.4 ± 3.4, 44.2‐59.0 | 49.9 ± 4.5, 36.7‐59.9 | <0.001 |
| Nasal | 53.4 ± 2.8, 47.4‐59.0 | 50.7 ± 4.2, 38.4‐60.0 | <0.001 |
| Inferior | 51.7 ± 3.5, 44.0‐57.8 | 49.4 ± 4.6, 36.2‐59.3 | <0.001 |
| Foveal parameters (mean ± SD, range) | |||
| FAZ size (mm2) | 0.295 ± 0.101, 0.072‐0.522 | 0.327 ± 0.133, 0.017‐0.824 | 0.118 |
| FAZ perimeter (mm) | 2.155 ± 0.419, 1.039‐3.257 | 2.296 ± 0.533, 1.169‐3.724 | 0.085 |
| FAZ a‐circularity index | 1.14 ± 0.04, 1.08‐1.27 | 1.16 ± 0.07, 1.07‐1.52 | 0.002 |
| FD‐300 (%) | 49.9 ± 4.1, 38.0‐56.7 | 47.6 ± 4.6, 30.4‐56.6 | 0.001 |