Table 3 Optical coherence tomography angiography parameters in each group.

From: Vertical asymmetry analysis of the macular microvasculature in epiretinal membrane patients with open-angle glaucoma

 

Group 1

Group 2

Group 3

P value

Vessel density (mm−1)

 Full area

20.4 ± 1.2

20.0 ± 1.9

18.8 ± 2.2

 < 0.001

 Inner area

22.3 ± 1.2

20.7 ± 1.9

19.4 ± 2.2

 < 0.001

 Central area

9.8 ± 2.6

15.8 ± 17.3

14.0 ± 4.7

0.032

Sector

 Superior

22.4 ± 1.4

20.8 ± 2.0

19.4 ± 2.8

 < 0.001

 Temporal

22.0 ± 1.3

20.3 ± 2.7

18.9 ± 2.3

 < 0.001

 Inferior

22.3 ± 1.4

20.7 ± 1.9

19.1 ± 2.6

 < 0.001

 Nasal

22.5 ± 1.5

20.9 ± 2.1

20.2 ± 3.0

 < 0.001

Perfusion density (%)

 Full area

37.5 ± 1.8

38.9 ± 3.2

37.2 ± 5.1

0.019

 Inner area

40.1 ± 1.7

40.2 ± 2.7

38.4 ± 4.7

0.008

 Central area

17.2 ± 4.5

26.2 ± 7.5

26.8 ± 9.6

 < 0.001

Sector

 Superior

40.3 ± 2.5

40.5 ± 3.3

38.4 ± 5.8

0.023

 Temporal

39.9 ± 2.2

39.2 ± 5.0

37.9 ± 7.2

0.185

 Inferior

40.0 ± 2.4

40.7 ± 2.9

38.1 ± 5.8

0.002

 Nasal

40.2 ± 2.6

40.6 ± 3.7

39.7 ± 6.0

0.564

 FAZ area

0.32 ± 0.09

0.17 ± 1.12

0.17 ± 0.13

 < 0.001

  1. Values in boldface (P < 0.050) are statistically significant.
  2. All values are expressed as the mean ± standard deviation.
  3. FAZ fovea avascular zone.