Table 3.
Comparison of the Parameters of Retinal Microvasculature Using Optical Coherence Tomography Angiography Among Groups
| Group 1 | Group 2 | Group 3 | Group 4 | P Value | |
|---|---|---|---|---|---|
| Vessel density (mm−1) | |||||
| Center | 10.19 ± 2.89 | 9.34 ± 3.09 | 8.93 ± 2.36 | 8.24 ± 2.40 | <0.001 |
| Ring | 23.75 ± 1.27 | 21.97 ± 2.15 | 19.40 ± 4.13 | 19.25 ± 2.22 | <0.001 |
| Full | 20.40 ± 1.26 | 19.70 ± 1.56 | 18.86 ± 2.04 | 17.82 ± 2.04 | <0.001 |
| Perfusion density (%) | |||||
| Center | 17.86 ± 5.16 | 16.75 ± 5.83 | 15.96 ± 4.02 | 15.20 ± 4.62 | <0.001 |
| Ring | 39.14 ± 2.02 | 37.67 ± 3.98 | 37.18 ± 3.51 | 36.37 ± 3.49 | <0.001 |
| Full | 36.70 ± 2.01 | 35.77 ± 2.36 | 34.81 ± 3.41 | 34.05 ± 3.15 | <0.001 |
Values in boldface (P < 0.050) are statistically significant.