From: Evaluation of filtering blebs using the ‘Wuerzburg bleb classification score’ compared to clinical findings
Microcysts 3 points
Microcysts ≥ 2 points
Microcysts ≥ 1 point
No
Yes
Target IOP reached
14
1
8
7
6
9
25
17
33
4
38
Agreement
Kappa
.22
.31
.34