Table 4 Distribution of the patients showing significant changes in the parameters of OCT-A at postoperative 1 month after glaucoma surgery.

From: Microvasculature recovery in lamina cribrosa and peripapillary sclera after glaucoma surgery and its impact on visual field progression

OCT angiography parameters

Progression after glaucoma surgery

Total

P value*

Progressor

Non-progressor

Laminar VD

 No change

21 (33.9%)

41 (66.1%)

62

0.012

 Increase

0

12 (100%)

12

PPS VD change

 No change

8 (13.3%)

52 (86.7%)

60

0.006

 Increase

7 (50.0%)

7 (50.0%)

14

Increase laminar VD

0

12 (100%)

12

0.005

Increase PPS VD

7 (50.0%)

7 (50.0%)

14

  1. PPS, peripapillary sclera; VD, vessel density.
  2. *Chi-square test.