Table 2.
Measurement of choroidal parameters.
| Variables | Zone | Preoperative (Mean ± SD) |
Postoperative (Mean ± SD) |
P value |
|---|---|---|---|---|
| VD of CC (%) | Foveal | 69.81 ± 8.75 | 71.23 ± 7.76 | 0.214 |
| Parafoveal | 68.33 ± 7.66 | 68.74 ± 5.19 | 0.578 | |
| Perifoveal | 68.77 ± 5.31 | 69.45 ± 3.72 | 0.400* | |
| CVI | Foveal | 0.39 ± 0.10 | 0.40 ± 0.09 | 0.652 |
| Parafoveal | 0.38 ± 0.09 | 0.39 ± 0.08 | 0.262* | |
| Perifoveal | 0.36 ± 0.07 | 0.36 ± 0.07 | 0.341 | |
| CT (μm) | Foveal | 302.6 ± 99.5 | 324.2 ± 103.5 | < 0.001 |
| Parafoveal | 299.6 ± 95.1 | 319.6 ± 98.4 | < 0.001 | |
| Perifoveal | 291.4 ± 84.3 | 311.4 ± 89.7 | < 0.001 |
VD vascular density, CC choriocapillaris, CVI choroidal vascular index, CT choroidal thickness.
*Wilcoxon signed-rank test. Others: paired sample t-test.
Bolded P values are of statistical significance.