Table 3 Optical coherence tomography angiography parameters in each group.
Group 1 | Group 2 | Group 3 | P value | |
|---|---|---|---|---|
Vessel density (mm−1) | ||||
Full area | 20.4 ± 1.2 | 20.0 ± 1.9 | 18.8 ± 2.2 | < 0.001 |
Inner area | 22.3 ± 1.2 | 20.7 ± 1.9 | 19.4 ± 2.2 | < 0.001 |
Central area | 9.8 ± 2.6 | 15.8 ± 17.3 | 14.0 ± 4.7 | 0.032 |
Sector | ||||
Superior | 22.4 ± 1.4 | 20.8 ± 2.0 | 19.4 ± 2.8 | < 0.001 |
Temporal | 22.0 ± 1.3 | 20.3 ± 2.7 | 18.9 ± 2.3 | < 0.001 |
Inferior | 22.3 ± 1.4 | 20.7 ± 1.9 | 19.1 ± 2.6 | < 0.001 |
Nasal | 22.5 ± 1.5 | 20.9 ± 2.1 | 20.2 ± 3.0 | < 0.001 |
Perfusion density (%) | ||||
Full area | 37.5 ± 1.8 | 38.9 ± 3.2 | 37.2 ± 5.1 | 0.019 |
Inner area | 40.1 ± 1.7 | 40.2 ± 2.7 | 38.4 ± 4.7 | 0.008 |
Central area | 17.2 ± 4.5 | 26.2 ± 7.5 | 26.8 ± 9.6 | < 0.001 |
Sector | ||||
Superior | 40.3 ± 2.5 | 40.5 ± 3.3 | 38.4 ± 5.8 | 0.023 |
Temporal | 39.9 ± 2.2 | 39.2 ± 5.0 | 37.9 ± 7.2 | 0.185 |
Inferior | 40.0 ± 2.4 | 40.7 ± 2.9 | 38.1 ± 5.8 | 0.002 |
Nasal | 40.2 ± 2.6 | 40.6 ± 3.7 | 39.7 ± 6.0 | 0.564 |
FAZ area | 0.32 ± 0.09 | 0.17 ± 1.12 | 0.17 ± 0.13 | < 0.001 |