Research Article

Evaluation of Foveal and Parafoveal Microvascular Changes Using Optical Coherence Tomography Angiography in Type 2 Diabetes Patients without Clinical Diabetic Retinopathy in South Korea

Table 2

Foveal and parafoveal vascular densities of the superficial capillary plexus and deep capillary plexus evaluated by optical coherence tomography angiography.

NDR groupControl group value

Superficial capillary plexus
 Fovea (%)0.034
 Superior (%)0.294
 Temporal (%)0.424
 Inferior (%)0.421
 Nasal (%)0.311
 FAZ area (mm2)0.003
Deep capillary plexus
 Fovea (%)0.001
 Superior (%)0.006
 Temporal (%)0.395
 Inferior (%)0.034
 Nasal (%)0.079
 FAZ area (mm2)0.001

NDR: patients with type 2 diabetes mellitus without clinical diabetic retinopathy; FAZ: foveal avascular zone.