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Table 2 FAZ parameters, CST, and BCVA at baseline, month 1, month 3, and month 6 following intravitreal anti-VEGF therapy

From: Optical coherence tomography angiography analysis of changes in the foveal avascular zone in eyes with diabetic macular edema treated with intravitreal anti-vascular endothelial growth factor

Parameter

Baseline

Month 1

Month 3

Month 6

p value

FAZ in SCP

 Area (mm2)

0.46 ± 0.29

0.48 ± 0.20

0.48 ± 0.20

0.44 ± 0.17

0.772

 Perimeter (mm)

3.08 ± 0.95

3.24 ± 0.81

3.40 ± 1.44

3.13 ± 0.89

0.405

 Circularity

0.61 ± 0.08

0.62 ± 0.08

0.64 ± 0.08

0.64 ± 0.08

0.157

FAZ in DCP

 Area (mm2)

0.81 ± 0.27

0.83 ± 0.16

0.84 ± 0.18

0.79 ± 0.16

0.620

 Perimeter (mm)

3.71 ± 1.30

3.85 ± 0.97

3.95 ± 1.22

3.83 ± 1.12

0.769

 Circularity

0.75 ± 0.18

0.74 ± 0.18

0.73 ± 0.17

0.70 ± 0.16

0.481

CST (μm)

367.00 ± 121.81

323.65 ± 83.32

302.08 ± 49.51

292.17 ± 58.83

< 0.001

BCVA (ETDRS)

60.40 ± 19.85

63.35 ± 19.87

67.92 ± 19.48

72.94 ± 14.92

0.004