Vessel diameter measurements in two OCTA protocols and AOO
| Unit: µm | AOO | SS-OCTA 3×3 mm2 (OCTA3) | SS-OCTA 9×9 mm2 (OCTA9) |
| Mean±SD (COV) | Mean±SD (COV) | Mean±SD (COV) | |
| Total (n=240) | 50.5±15.6 (30.9) | 55.2±16.3 (29.5) | 54.7±14.3 (26.1) |
| Arteries (n=147) | 51.8±13.9 (26.8) | 56.7±14.5 (25.6) | 56.1±13.2 (23.5) |
| Veins (n=93) | 48.4±18.0 (37.2) | 52.8±18.6 (35.2) | 52.6±15.9 (30.2) |
| D≥45 µm (n=133) | 60.8±13.5 (22.1) | 65.4±14.4 (22.0) | 63.5±13 (20.5) |
| D<45 µm (n=107) | 37.7±5.1 (13.7) | 42.4±6.7 (15.8) | 43.7±5.7 (13.1) |
AOO, adaptive optics ophthalmoscope; COV, coefficient of variance; OCTA, optical coherence tomography angiography; SS-OCTA, swept-source OCTA.