Table 2 Optic nerve head and parapapillary choroidal vessel density measurements in eyes with open-angle glaucoma with (+) or without (āˆ’) choroidal microvasculature dropout (CMvD).

From: Choroidal microvasculature dropout is spatially associated with optic nerve head microvasculature loss in open-angle glaucoma

Ā 

CMvD(āˆ’) (nā€‰=ā€‰48)

CMvD(+) (nā€‰=ā€‰48)

P value

Global ONH VD

61.92ā€‰Ā±ā€‰6.0

58.14ā€‰Ā±ā€‰6.6

0.004*

ONH VD superior

62.90ā€‰Ā±ā€‰8.0

61.61ā€‰Ā±ā€‰7.5

0.415

ONH VD inferior

62.29ā€‰Ā±ā€‰6.9

57.81ā€‰Ā±ā€‰10.0

0.013*

ONH-MvD (+/āˆ’)

0/48 (0%)

23/48 (47.9%)

<ā€‰0.001**

ONH-MvD:superior (+/āˆ’)

0/48 (0%)

1/48 (2.1%)

0.315**

ONH-MvD:inferior (+/āˆ’)

0/48 (0%)

22/48 (45.8%)

<ā€‰0.001**

Global pCVD

76.17ā€‰Ā±ā€‰5.3

70.15ā€‰Ā±ā€‰6.3

<ā€‰0.001*

  1. Data are reported as a meanā€‰Ā±ā€‰standard deviation.
  2. ONH optic nerve head, VD vessel density, ONH VD optic nerve head vessel density, pCVD parapapillary choroidal vessel density, ONH-MvD optic nerve head microvasculature dropout.
  3. *Pā€‰<ā€‰0.05 by unpaired t-test unless otherwise indicated.
  4. **Chi-square test.
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