Skip to main content
. 2021 Jun 2;15:2301–2306. doi: 10.2147/OPTH.S311524

Table 2.

Postoperative Bleb Morphology of Patients Undergoing Primary Trabeculectomy with MMC According to Indiana Bleb Grading System5 (Bleb Height, Horizontal Extent, Vascularization and Bleb Leakage in Seidel Test)

Group 1 (n=19) Group 2 (n=16) p
1st day bleb height 1.25 ± 0.68 1.05 ± 0.23 0.24
1st day horizontal extent 1.94 ± 0.68 1.47 ± 0.51 0.03
1st day bleb vascularization 2.25 ± 0.45 2.11 ± 0.46 0.35
1st week bleb height 1.57 ± 0.65 1.37 ± 0.49 0.31
1st week horizontal extent 2.07 ± 0.62 1.53 ± 0.61 0.02
1st week bleb vascularization 2.00 ± 0.11 2.21 ± 0.71 0.28
2nd week bleb height 1.53 ± 0.52 1.18 ± 0.41 0.07
2nd week horizontal extent 2.13 ± 0.51 2.00 ± 0.45 0.49
2nd week bleb vascularization 1.00 ± 0.65 2.09 ± 0.83 0.001
1st month bleb height 1.53 ± 0.64 1.11 ± 0.32 0.02
1st month horizontal extent 2.20 ± 0.41 1.83 ± 0.51 0.03
1st month bleb vascularization 0.93 ± 0.59 1.11± 0.96 0.53
2nd month bleb Height 2.20 ± 2.21 1.35 ± 0.49 0.13
2nd month horizontal extent 2.20 ± 0.41 1.82 ± 0.53 0.03
2nd month bleb vascularization 0.80 ± 0.56 1.19 ± 0.77 0.050

Notes: P: independent sample t test, values less than 0.05 were considered significant and shown as bold. The Seidel test was not observed postoperatively at all visits.