Table 2

Correlations of foveal avascular zone and foveal microcirculation parameters with macular ganglion cell/inner plexiform thickness in patients with type 2 diabetes

mGCIPL thicknessFAZ areaFAZ perimeterFAZ circularity indexVessel densityPerfusion index
 SRLDRLParafoveaPerifoveaParafoveaPerifovea
NDR
 Coefficient−0.519*−0.534*−0.553*0.5170.6150.7120.5360.349
  P value<0.001<0.001<0.001<0.001<0.001<0.001<0.001<0.001
NPDR
 Coefficient−0.487*−0.479*−0.429*0.6070.4800.4300.5270.325
  P value<0.001<0.001<0.001<0.001<0.001<0.001<0.001<0.001
Control
 Coefficient−0.041−0.0520.037−0.0790.2410.2510.1190.077
  P value0.7440.6800.7700.5290.0510.0420.3410.540
  • *Pearson correlation=statistically significant at a 5% significance level.

  • DRL, deep retinal capillary layer; FAZ, foveal avascular zone; mGCIPL, macular ganglion cell/inner plexiform layer; NDR, no diabetic retinopathy; NPDR, non-proliferative diabetic retinopathy; SRL, superficial retinal capillary layer.