Is the Retinal Vasculature Related to β-Peripapillary Atrophy in Nonpathological High Myopia? An Optical Coherence Tomography Angiography Study in Chinese Adults

Table 3

Multivariate regression analysis: association between β-PPA and deep/superficial retinal plexus.

Variable	Model^a	Unstandardized coefficients		Standardized coefficients	T		Adjusted R^2	95.0% CI for B
		B	Std. Error	Beta				Lower bound	Upper bound
DRP
β-PPA	1	−1.163	0.312	−0.384	−3.722	<0.001	0.137	−1.784	−0.541
β-PPA	2	−0.874	0.318	−0.289	−2.744	0.008	0.202	−1.507	−0.240
β-PPA	3	−0.836	0.310	−0.290	−2.697	0.009	0.209	−1.454	−0.218
β-PPA	4	−0.609	0.318	−0.211	−1.918	0.059	0.251	−1.242	0.024
SRP
β-PPA	1	−1.150	0.403	−0.304	−2.854	0.005	0.081	−1.952	−0.348
β-PPA	2	−0.924	0.423	−0.244	−2.184	0.032	0.099	−1.765	−0.082
β-PPA	3	−0.855	0.421	−0.231	−2.029	0.046	0.101	−1.694	−0.015
β-PPA	4	−0.501	0.427	−0.135	−1.174	0.244	0.181	−1.351	0.350

β-PPA, β-peripapillary atrophy; DRP, deep retinal plexus; SRP, superficial retinal plexus. ^aModel 1, crude; model 2, adjustment for age and gender; model 3, further adjustment for intraocular pressure, cup-to-disc ratio, and retinal nerve fiber layer thickness; model 4, further adjustment for axial length.