Relationship of vascular density, foveal avascular zone, outer and choroidal flow rate and choroidal thickness with ATD and control subjects
| Patients with ATD (n=26 eyes of 26 subjects) | Control subjects (n=26 eyes of 26 subjects) | p Value | |
| Vascular density (%) | |||
| Whole | 45.50±3.85 | 48.67±3.29 | 0.002* |
| Fovea | 29.04±7.17 | 34.80±6.76 | 0.004* |
| Parafovea | 47.96±4.86 | 51.12±4.10 | 0.015* |
| Foveal avascular zone (mm²) | 0.47±0.18 | 0.33±0.08 | 0.001* |
| Outer retina flow rate | 0.38±0.03 | 0.39±0.03 | 0.302 |
| Choroidal flow rate | 0.59±0.22 | 0.60±0.02 | 0.084 |
| Choroidal thickness (µm) | 198.27±49.09 | 251.88±29.93 | <0.001* |
Data reported as mean and SD with p values from Mann-Whitney U tests (foveal avascular zone and choroidal thickness) and independent t-tests (vascular density and flow rate).
*Significant at p<0.05.
ATD, Alzheimer’s type dementia.