Table 3.
OCT-Angiography parameters.
| OCT-A parameters | XEN stent | TE | p-value |
|---|---|---|---|
| Macular OCT-A | |||
| FAZ in mm2 | 0.57 ± 0.29 | 0.59 ± 0.30 | 0.781b |
| VAD in % | 29.0 ± 2.2 | 30.3 ± 3.6 | 0.163c |
| SSI | 30.5 ± 3.7 | 30.7 ± 4.3 | 0.918c |
| Optic disc OCT-A | |||
| VAD in % | 36.3 ± 1.7 | 37.1 ± 2.4 | 0.206c |
| Peripapillary OCT-A | |||
| VAD SVC 375 µm in % | 37.0 ± 6.3 | 40.1 ± 5.5 | 0.123c |
| VAD DVC 375 µm in % | 33.5 ± 3.0 | 35.0 ± 2.6 | 0.117c |
| VAD CCL 375 µm in % | 34.0 ± 4.6 | 37.3 ± 5.4 | 0.050c |
| VAD CL 375 µm in % | 36.0 ± 4.3 | 39.7 ± 4.7 | 0.013c |
| VAD SVC 750 µm in % | 36.1 ± 5.3 | 38.8 ± 5.5 | 0.157c |
| VAD DVC 750 µm in % | 31.7 ± 2.5 | 32.6 ± 2.1 | 0.267c |
| VAD CCL 750 µm in % | 33.9 ± 3.1 | 35.5 ± 4.1 | 0.178c |
| VAD CL 750 µm in % | 35.7 ± 3.0 | 38.1 ± 2.6 | 0.028c |
| SSI | 31.1 ± 3.7 | 30.1 ± 2.6 | 0.444c |
Significant values are in bold.
Differences between the groups are shown as mean ± standard deviation.
FAZ foveal avascular zone, VAD vessel area density, SSI Signal Strength Index, SVC superficial vascular complex, DVC deep vascular complex, CCL choriocapillaris layer, CL chorioideal layer, 375 µm radius around optic disc, 750 µm radius around optic disc.
aChi-Quadrat test.
bMann-Whitney U test.
ct test.