Table 3.
The comparison of the retinal vascular bifurcation measurements among participants with different refractive error statuses in multivariable-adjusted model
| Parameter | High myopia Adjusted mean (95% CI) |
Low to moderate myopia Adjusted mean (95% CI) |
Non-myopia Adjusted mean (95% CI) |
P |
|---|---|---|---|---|
| Arteriolar branching angle (degree) | 70.21 (67.64, 72.78) | 76.30 (74.60, 78.00) | 75.75 (73.49, 78.02) | < 0.001* |
| Venular branching angle (degree) | 74.47 (72.03, 76.92) | 76.80 (75.17, 78.42) | 76.13 (73.98, 78.28) | 0.299 |
| Arteriolar branching coefficient | 1.46 (1.42, 1.51) | 1.41 (1.39, 1.44) | 1.46 (1.42, 1.50) | 0.071 |
| Venular branching coefficient | 1.33 (1.30, 1.37) | 1.25 (1.23, 1.28) | 1.27 (1.24,1.30) | 0.001* |
| Arteriolar asymmetry ratio | 0.82 (0.81, 0.84) | 0.82 (0.81, 0.83) | 0.81 (0.80, 0.82) | 0.321 |
| Venular asymmetry ratio | 0.74 (0.72, 0.77) | 0.71 (0.69, 0.72) | 0.71 (0.69, 0.73) | 0.021* |
| Arteriolar angular asymmetry (degree) | 30.60 (27.89, 33.31) | 33.79 (31.99, 35.58) | 33.14 (30.75, 35.53) | 0.151 |
| Venular angular asymmetry (degree) | 36.10 (33.07, 39.13) | 41.35 (39.34, 43.37) | 41.19 (38.52, 43.85) | 0.014* |
| Log (arteriolar junctional exponent) | 0.41 (0.40, 0.43) | 0.42 (0.42, 0.43) | 0.42 (0.40, 0.43) | 0.251 |
| Log (venular junctional exponent) | 0.44 (0.43, 0.46) | 0.46 (0.45, 0.47) | 0.46 (0.44, 0.47) | 0.036* |
CI, confidence interval; Model adjusted for age, HbA1c, MAP, BMI, and IOP. P-values were corrected for multiple comparisons using the Bonferroni method
*Statistical difference (p < 0.05) among participants with different refractive error statuses