Quantification of Macular Vascular Density Using Optical Coherence Tomography Angiography and Its Relationship with Retinal Thickness in Myopic Eyes of Young Adults

Table 4

Linear regression analysis of factors affecting the average mGCC, central subfield, and average retinal thickness.

Variables included in the model	Average mGCC thickness		Central subfield thickness		Average retinal thickness
	Beta		Beta		Beta
Univariate linear regression
Age (year)	−0.084	0.170	−0.096	0.119	−0.088	0.150
IOP at imaging (mmHg)	0.066	0.284	−0.074	0.227	0.128	0.036
Spherical equivalent (D)	0.284	<0.001	−0.108	0.077	0.209	<0.001
Axial length (mm)	−0.292	<0.001	0.098	0.110	−0.250	<0.001
Superficial macular vascular density (%)	0.249	<0.001	0.095	0.120	0.031	0.611
Deep macular vascular density (%)	−0.041	0.504	−0.074	0.227	−0.145	0.017
Multivariate linear regression
Age (year)
IOP at imaging (mmHg)					0.128	0.030
Axial length (mm)	−0.321	<0.001			−0.239	<0.001
Superficial macular vascular density (%)	0.282	<0.001
Deep macular vascular density (%)					−0.133	0.024

IOP: intraocular pressure; mGCC: macular ganglion cell complex.