Table 5.
OCTA (AngioVue™) Parameters for Segmentation for Macular VD of the Deep Layer (DL)
| Segmentation DL | POAG | NTG | XFG | p-Valuea | Differences Between the Three Groupsb |
|---|---|---|---|---|---|
| SSI | 56.5 (41.0;74.0) | 55.0 (41.0;73.0) | 56.0 (42.0;67.0) | 0.98 | |
| wmVD (%) | 49.6 (433.2;58.9) | 49.3 (33.3;61.8) | 50.1 (39.6;56.1) | 0.97 | |
| fVD (%) | 31.3 (19.2;46.9) | 26.2 (15.9;45.0) | 29.8 (16.5;37.8) | 0.27 | |
| pmVD avg (%) | 54.8 (42.6;63.5) | 54.1 (41.6;66.5) | 53.6 (42.7;66.5) | 0.65 | |
| pmVD temp (%) | 53.8 (40.6;67.4) | 51.6 (39.9;66.8) | 52.6 (41.1;59.5) | 0.54 | |
| pmVD sup (%) | 57.1 (33.0;65.6) | 54.8 (39.8;68.0) | 55.2 (35.2;59.5) | 0.50 | |
| pmVD nasal (%) | 53.7 (38.7;63.7) | 55.8 (35.4;65.5) | 52.9 (38.9;64.1) | 0.66 | |
| pmVD inf (%) | 55.7 (40.4;63.2) | 54.3 (40.5;67.1) | 54.1 (41.9;61.4) | 0.75 |
Abbreviations: POAG, primary open-angle glaucoma; XFG, exfoliation glaucoma; NTG, normal-tension glaucoma; SSI, signal strength index; wmVD, whole macular vessel density; fVD, foveal vessel density; pmVD, perimacular vessel density.
All values expressed as median and range (Min; Max). aKruskall–Wallis test; bpost-hoc analysis between the groups (Conover).