Table 4.
Cox proportional hazard analysis for qualified criterion A for surgical failure.
| Factors | HR | 95% CI | P value |
|---|---|---|---|
| Age | 1.007 | 0.963–1.053 | 0.760 |
| Preoperative IOP | 1.018 | 0.936–1.107 | 0.680 |
| Preoperative steroid drop use | 0.299 | 0.0728–1.231 | 0.0945 |
| Systemic immunosuppressive therapies | 8.669 | 1.810–41.51 | 0.00688 |
| Previous cataract surgery | 0.170 | 0.0303–0.950 | 0.0436 |
| Place of tube insertion | 2.731 | 0.741–10.07 | 0.131 |
| Position of plate implantation | 1.884 | 0.430–8.255 | 0.401 |
| Combined with phaco | 1.732 | 0.308–9.750 | 0.533 |
| Hyphema | 4.229 | 0.827–21.64 | 0.0834 |
| LSL | < 0.001 | 0-Inf | 0.998 |
HR, hazard ratio; CI, confidence interval; IOP, intraocular pressure; LSL, laser suturelysis.