Table 2.
Associations of baseline spectral-domain optical coherence tomography and optical coherence tomography angiography parameters with baseline logMAR visual acuity
| Parameters | MT type 1 eyes | r | p value |
|---|---|---|---|
| FAZ of SCP (mm2) | 0.45 ± 0.15 | 0.451 | 0.106 |
| FAZ of DCP (mm2) | 0.78 ± 0.35 | 0.521 | 0.056 |
| Microvascular density of SCP (%) | 46.47 ± 3.42 | −0.652 | 0.012 |
| Microvascular density of DCP (%) | 47.25 ± 4.69 | − 0.700 | 0.005 |
| CMT (μm) | 385.19 ± 75.21 | 0.682 | 0.007 |
| Total area of macular oedema (mm2) | 0.08 ± 0.10 | 0.443 | 0.112 |
| Largest area of macular edema (mm2) | 0.08 ± 0.09 | 0.512 | 0.061 |
| Length of EZ disruption (μm) | 642.26 ± 349.66 | 0.681 | 0.007 |
| Area of EZ disruption (mm2) | 0.93 ± 1.22 | 0.27 | 0.351 |
| Total area of EZ disruption (mm2) | 3.22 ± 2.02 | 0.649 | 0.012 |
| Length of ELM disruption (μm) | 372.57 ± 279.16 | 0.699 | 0.005 |
| Length of DRIL disruption (μm) | 480.79 ± 340.73 | 0.707 | 0.005 |
p-values indicate the relationships between logMAR VA and spectral domain OCT and OCTA parameters
OCT spectral domain optical coherence tomography, OCTA optical coherence tomography angiography, logMAR logarithm of the minimal angle of resolution, VA visual acuity, MT idiopathic macular telangiectasia, FAZ foveal avascular zone, SCP superficial capillary plexus, DCP deep capillary plexus, CMT central macular thickness, EZ ellipsoid zone, ELM external limiting membrane, DRIL disorganization of retinal inner layers, r Pearson’s correlation coefficient