Macular vascular features of different types of diabetic macular edema using ocular coherence tomography angiography- a comparative study

Table 3 OCTA characteristics of both groups (CME Vs DRT)

OCTA parameters	CME group	DRT group	P value
CFT
3 × 3	441.12 ± 166.71	325.64 ± 92.64	0.004*
6 × 6	428.33 ± 142.44	314.12 ± 105.98	0.002*
PFT
3 × 3	426.80 ± 108.02	371.83 ± 71.84	0.039*
6 × 6	426.04 ± 105.29	363.88 ± 80.01	0.021*
FAZ
SCP	0.57 ± 0.28	0.53 ± 0.25	0.574
DCP	0.54 ± 0.29	0.50 ± 0.24	0.563
VD, SCP 3 × 3
Whole image	36.43 ± 5.29	35.86 ± 3.62	0.657
Fovea	16.64 ± 6.00	16.64 ± 7.64	0.998
Parafovea	37.78 ± 6.65	37.35 ± 3.96	0.783
VD, SCP 6 × 6
Whole image	41.34 ± 4.90	41.46 ± 4.14	0.925
Fovea	22.60 ± 7.92	19.26 ± 9.24	0.167
Parafovea	40.91 ± 5.47	41.03 ± 4.93	0.938
Perifoveal	41.78 ± 5.34	42.30 ± 4.17	0.698
VD, DCP 3X3
Whole image	40.96 ± 5.29	40.45 ± 6.09	0.754
Fovea	27.16 ± 11.62	26.57 ± 9.08	0.843
Parafovea	41.80 ± 5.48	42.05 ± 6.59	0.884
VD, DCP 6 × 6
Whole image	41.53 ± 4.54	40.51 ± 4.49	0.419
Fovea	30.59 ± 8.07	30.15 ± 9.11	0.856
Parafovea	46.19 ± 5.45	44.70 ± 5.36	0.326
CC
3 × 3	1.74 ± 0.22	1.80 ± 0.22	0.311
6 × 6	1.79 ± 0.28	1.91 ± 0.17	0.062

OCTA Optical Coherence tomography angiography, CME Cystoid Macular edema, DRT Diffuse Retinal Thickening, CFT Central Foveal Thickness, PFT Parafoveal Thickness, FAZ Foveal Avascular Zone, VD Vascular density, SCP Superficial Capillary Plexus, DCP Deep Capillary Plexus, CC Choriocapillaris
*Highly significant comparison

ISSN: 2056-9920