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Table 1 Baseline comparison between control group and diabetic retinopathy patients under initiation of anti-VEGF treatment

From: Changes in retinal and choriocapillaris density in diabetic patients receiving anti-vascular endothelial growth factor treatment using optical coherence tomography angiography

  Control group
(n = 19)
Diabetic retinopathy
(n = 19)
p-value
Age (SD) 64.4
(± 9.7)
63.5
(± 9.3)
0.7
FAZ area mm2 0.184
(± 0.058)
0.307
(± 0.133)
0.008*
Perimeter mm2 1.753
(± 0.408)
2.415
(± 0.692)
0.002*
Choroid thickness µm 317.8
(± 15.3)
335.9
(± 39.1)
0.07
Choriocapillaris whole image density % 68.4
(± 5.1)
62.6
(± 6.1)
0.003
Choriocapillaris foveal area density % 66.3
(± 9.8)
61.2
(± 7.4)
0.014*
Choriocapillaris parafoveal area density % 68.2
(± 4.8)
61.9
(± 6.6)
0.002
Retinal whole image density % 50.7
(± 5.6)
46.9
(± 5.1)
0.04
Retinal foveal area density % 34.1
(± 6.1)
27.6
(± 5.9)
0.002
Retinal parafoveal area density % 53.1
(± 6.0)
49.0
(± 5.6)
0.011*
CST µm 276.6
(± 22.9)
397.1
(± 93.2)
< 0.0001*
Visual acuity ETDRS 81.3
(± 4.6)
69.7
(± 8.1)
< 0.0001*
  1. Italic values indicate the statistical significance
  2. SD standard deviation, FAZ foveal avascular zone, CST central subfield thickness, ETDRS early treatment diabetic retinopathy study
  3. Unpaired T-test, * Mann–Whitney test