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

Table 2

Multivariate regression analysis: association between β-PPA and retinal peripapillary capillary (RPC) 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
β-PPA	1	−1.760	0.455	−0.397	−3.871	<0.001	0.147	−2.665	−0.855
β-PPA	2	−1.469	0.475	−0.332	−3.094	0.003	0.172	−2.414	−0.524
β-PPA	3	−1.277	0.438	−0.293	−2.913	0.005	0.305	−2.150	−0.404
β-PPA	4	−1.472	0.459	−0.337	−3.207	0.002	0.313	−2.386	−0.557

^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.