Table 2 Results of OCT-A evaluation: Superficial (SPF) and deep (D) vascular density in the fovea, parafovea, and the whole image. Non-flow area and foveal avascular zone (FAZ). Data are shown as mean (SEM)
AMD 20x | AMD one year | Control | p value | p (AMD 20 × vs AMD one year) | p (AMD 20 × vs Control) | p (AMD one year vs Control) | |
|---|---|---|---|---|---|---|---|
Scan quality | 7.0 (0.26) | 7.2 (0.21) | 7.78 (0.19) | 0.0492 | ns | ns | ns |
CRT (um) | 274.4 (17.39) | 296.6 (9.936) | 259.4 (2.701) | 0.0036 | ns | ns | ** |
SPF fovea (%) | 16.82 (1.778) | 25,36 (1,856) | 25.67 (1.143) | 0.0022 | * | ** | ns |
SPF parafovea (%) | 41.16 (1.064) | 45.06 (1.067) | 49.77 (1.142) | < 0,0001 | * | *** | ** |
SPF whole (%) | 38.85 (1.015) | 37.19 (1.159) | 45.29 (0.751) | < 0,0001 | ns | ** | ** |
D fovea (%) | 28.81 (1.991) | 31.89 (1.386) | 36.24 (0.4046) | 0.0033 | ns | ** | * |
D parafovea (%) | 47.03 (1.727) | 47.41 (0.914) | 49.92 (0.156) | 0.0774 | ns | ns | ns |
D whole (%) | 44.24 (1.439) | 45.01 (0.897) | 47.31 (0.278) | 0.0875 | ns | ns | ns |
Non-flow (mm2) | 0.502 (0.0356) | 0.504 (0.0484) | 0.318 (0.0231) | 0.0003 | ns | *** | ** |
FAZ (mm2) | 0.356 (0.257) | 0.349 (0.208) | 0.221 (0.191) | 0.0008 | ns | ** | ** |