Table 2.
OCT-Angiography Parameters Before and After Subthreshold Micropulse Laser
| Parameter | Baseline | 3 Months | 6 Months | 12 Months |
|---|---|---|---|---|
| MA SCP | 2.7 ± 1.6 | 2.3 ± 1.5 | 1.7 ± 1.3a | 1.3 ± 1.3b |
| MA DCP | 9.2 ± 4.9 | 7.9 ± 3.7c | 6.2 ± 3.7b | 4.8 ± 3.2b |
| Cysts area SCP | 96.65 ± 110.18 | 76.09 ± 109.49 | 62.96 ± 84.74d | 62.20 ± 100.77e |
| Cysts area DCP | 433.09 ± 397.10 | 377.27 ± 371.85 | 316.83 ± 272.92f | 308.98 ± 290.6g |
| PD SCP | 25.57 ± 3.07 | 25.47 ± 3.15 | 25.29 ± 2.8 | 25.88 ± 2.78 |
| PD DCP | 31.92 ± 8.65 | 29.94 ± 4.97 | 30.05 ± 4.67 | 31.97 ± 7.14 |
| PCD | 44.41 ± 4.81 | 43.81 ± 6.0 | 44.89 ± 4.21 | 44.2 ± 4.75 |
| FV CC | 34.9 ± 4.05 | 34.93 ± 4.83 | 35.37 ± 3.94 | 33.48 ± 5.87 |
a
P = 0.0007.
b
P < 0.0001.
c
P = 0.015.
d
P = 0.004.
e
P = 0.03.
f
P = 0.003.
g
P = 0.02. P values are referred to baseline.
Values are represented in mean ± standard deviation. Cysts area is expressed in square micrometers, PD, PCD, and FV in percentage.
OCT, optical coherence tomography; SCP/DCP, superficial/deep capillary plexus; MA, microaneurysm; PD, perfusion density; PCD, perfused capillary density; FV, flow void; CC, choriocapillaris.