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Table 4 Subgroup analysis based on the occlusion type for foveal vascular zone area, capillary ring loss, vessel density and hemi-vessel density disparity

From: Correlation between macular edema recurrence and macular capillary network destruction in branch retinal vein occlusion

 

no ME recurrence group

ME recurrence group

p1-value*

(between A and C)

p2-value*

(between B and D)

A:major BRVO (n = 10)

B:macular BRVO (n = 11)

p-value*

C:major BRVO (n = 12)

D: macular BRVO (n = 11)

p-value*

Superficial capillary plexus

Mean FAZ area (mm2)

0.40 ± 0.10

0.39 ± 0.11

0.484

0.50 ± 0.14

0.56 ± 0.37

0.312

0.022

0.123

Mean extent of ring loss (°)

21

13.5

0.274

72.5

66

0.472

0.078

0.007

Macular VD

78.21 ± 10.82

75.32 ± 7.39

0.960

77.22 ± 7.62

79.08 ± 7.98

0.264

0.334

0.154

Hemi-VD disparity

8.91 ± 12.55

9.81 ± 9.28

0.189

14.41 ± 10.72

11.47 ± 5.95

0.409

0.022

0.171

Deep capillary plexus

Mean FAZ area (mm2)

0.47 ± 0.16

0.49 ± 0.11

0.374

0.55 ± 0.14

0.68 ± 0.37

0.245

0.098

0.049

Mean extent of ring loss (°)

15

43.5

0.097

85

90

0.448

0.006

0.015

Macular VD

73.84 ± 8.21

73.59 ± 6.97

0.154

70.21 ± 6.35

73.87 ± 5.71

0.089

0.111

0.484

Hemi-VD disparity

13.76 ± 13.22

14.42 ± 12.29

0.401

18.95 ± 10.31

25.06 ± 13.75

0.206

0.099

0.026

  1. Values are presented as mean ± standard deviation unless otherwise indicated
  2. ME Macular edema, BRVO Branch retinal vein occlusion, FAZ Foveal avascular zone, VD Vessel density
  3. *Statistics by Wilcoxon rank-sum test