Reprocedures for early and late complications in both AADI and AGV groups
| Reprocedures | AADI | AGV |
| Hyphaema drainage | 1 (1.9%) | 1 (2.8%) |
| AC reformation | 1 (1.9%) | – |
| Repositioning of tube | 1 (1.9%) | – |
| AV for tube blockage | – | 1 (2.8%) |
| Choroidal drainage | – | 2 (5.6%) |
| Conjunctival autograft for non-healing conjunctiva | 2 (3.8%) | – |
| Conjunctival autograft, Choroidal drainage | 2 (3.8%) | – |
| RD surgery | – | 1 (2.8%) |
| IZHV for aqueous misdirection | – | 1 (2.8%) |
| Tube trimming/extender for retracted tube | 1 (1.9%) | 1 (2.8%) |
| Lysis of ligature (Laser+surgery) | 4+2 (11.4%) | – |
| Corneal graft | 2 | – |
| Total | 16 (30.7%) | 7 (19.4%) |
| P=0.23 |
AADI, Aurolab aqueous drainage implant; AC, anterior chamber; AGV, Ahmed glaucoma valve; AV, anterior vitrectomy; RD, retinal detachment; IZHV, irido-zonulo-hyaloido-vitrectomy.