Table 3.
Association of various parameters with the presence of radiation retinopathy in irradiated eyes
| Radiation Retinopathy | Odds Ratio (Confidence Interval 95%) | P-value† | |||
|---|---|---|---|---|---|
| Yes (n = 16) | No (n = 6) | ||||
| Age | 51.75 ± 14.11 | 49.00 ± 16.68 | 1.013 (0.956–1.074) | 0.654 | |
| Foveal thickness μm | 319 ± 166 | 237 ± 64 | 1.004 (0.996–1.012) | 0.319 | |
| FAZ mm2 | Superficial | 1775 ± 2127 | 311 ± 262 | 1.005 (0.993–1.016) | 0.411 |
| Deep | 2023 ± 2303 | 168 ± 74 | 1.019 (0.983–1.055) | 0.306 | |
| Superficial vascular area density % | Fovea | 20.75 ± 8.72 | 26.14 ± 6.15 | 0.913 (0.798–1.044) | 0.183 |
| Parafovea | 21.98 ± 9.85 | 27.70 ± 6.54 | 0.925 (0.820–1.043) | 0.204 | |
| Deep vascular area density % | Fovea | 22.23 ± 9.94 | 25.99 ± 7.80 | 0.955 (0.859–1.062) | 0.397 |
| Parafovea | 23.20 ± 10.43 | 27.19 ± 8.50 | 0.957 (0.865–1.059) | 0.396 | |
| Superficial vascular skeleton density % | Fovea | 7.76 ± 3.65 | 9.95 ± 2.29 | 0.806 (0.585–1.111) | 0.189 |
| Parafovea | 8.16 ± 4.12 | 10.49 ± 2.50 | 0.834 (0.627–1.108) | 0.210 | |
| Deep vascular skeleton density % | Fovea | 9.51 ± 4.37 | 11.42 ± 3.24 | 0.886 (0.694–1.131) | 0.330 |
| Parafovea | 9.74 ± 4.63 | 11.77 ± 3.48 | 0.891 (0.707–1.123) | 0.327 | |
| Choriocapillary flow area density mm2 | 1.88 ± 0.28 | 2.07 ± 0.14 | 0.019 (0.000–4.470) | 0.156 | |
| Follow-up time (m) | 34.33 ± 12.17 | 15.43 ± 14.98 | 1.124 (1.021–1.239) | 0.017 | |
| Foveal dose (Gy) | 20.50 ± 29.60 | 55.42 ± 110.53 | 1.009 (0.986–1.032) | 0.445 | |
| Apex dose (Gy) | 83.42 ± 9.51 | 87.29 ± 7.78 | 0.889 (0.720–1.097) | 0.273 | |
FAZ Foveal avascular zone
†Based on logistic regression analysis