Table 2.
Correlation coefficients obtained by correlating the area of the foveal avascular zone, the vascular densities in the five zones of the Early Treatment Diabetic Retinopathy Study (ETDRS) grid and the global vascular density, with the real visual acuity (VA).
| r | 3 × 3 mm SCP | 3 × 3 mm DCP | 6 × 6 mm SCP | 6 × 6 mm DCP |
|---|---|---|---|---|
| FAZ | 0.125 | 0.021 | - | - |
| Foveal | 0.351 | 0.352 | 0.014 | 0.247 |
| Upper | 0.128 | 0.070 | 0.071 | 0.186 |
| Nasal | 0.097 | 0.130 | 0.112 | 0.290 |
| Temporal | 0.016 | 0.060 | 0.146 | 0.313 |
| Lower | 0.125 | 0.193 | 0.295 | 0.271 |
| Global | 0.149 | 0.337 | 0.246 | 0.446 |
r: Pearson correlation index, SCP: superficial capillary plexus, DCP: deep capillary plexus, FAZ: foveal avascular zone.