Complications in the gel stent group and trabeculectomy group
| Gel stent (n=34) | Trabeculectomy (n=34) | P value | |
| Choroidal detachments (posterior pole not involved) | 6 (17.6%) | 2 (5.9%) | 0.13 |
| Seidel | 1 (2.9%) | 3 (8.8%) | 0.30 |
| Flat anterior chamber | 0 | 5 (14.7%) | |
| Hyphaema | 2 (5.9%) | 0 |
Data are number (percentage).