Unit: µm | Total (n=240) | Arteries (n=147) | Veins (n=93) | D≥45 µm (n=133) | D<45 µm (n=107) |
Mean difference OCTA3–AOO (95% CI) p value | 4.7 (4.0 to 5.4) | 4.9 (3.9 to 5.8) | 4.4 (3.3 to 5.5) | 4.6 (3.5 to 5.7) | 4.7 (3.8 to 5.7) |
<0.001 | <0.001 | <0.001 | 0.001 | <0.001 | |
ICC (95% CI) | 0.94 (0.92 to 0.95) | 0.91 (0.88 to 0.94) | 0.96 (0.94 to 0.97) | 0.90 (0.86 to 0.92) | 0.68 (0.57 to 0.77) |
Mean difference OCTA9–AOO (95% CI) p value | 4.2 (3.5 to 4.9) | 4.3 (3.4 to 5.1) | 4.1 (3.0 to 5.3) | 2.7 (1.7 to 3.7) | 6.1 (5.3 to 6.9) |
<0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |
ICC (95% CI) | 0.93 (0.92 to 0.95) | 0.92 (0.89 to 0.94) | 0.95 (0.92 to 0.96) | 0.90 (0.87 to 0.93) | 0.70 (0.59 to 0.79) |
Mean difference OCTA9–OCTA3 (95% CI) p value | −0.5 (−1.3 to 0.4) | −0.6 (−1.8 to 0.5) | −0.2 (−1.6 to 1.1) | −1.9 (−3.2 to −0.6) | 1.3 (0.3 to 2.3) |
0.298 | 0.301 | 0.729 | 0.005 | 0.009 | |
ICC (95% CI) | 0.90 (0.87 to 0.92) | 0.87 (0.82 to 0.90) | 0.93 (0.89 to 0.95) | 0.84 (0.78 to 0.88) | 0.66 (0.54 to 0.76) |
p < 0.05 for values in bold
AOO, adaptive optics ophthalmoscope; ICC, intraclass correlation coefficient; OCTA, optical coherence tomography angiography.