|
Age group
|
0–30 years
(n=36)
|
31–60 years
(n=39)
|
61–91 years
(n=44)
|
p Value
|
| Mean (SD) age | 10.9 (10.1) | 46.0 (9.0) | 74.3 (7.7) | |
| Sex (M:F, %) | 39:61 | 69:31 | 34:66 | 0.03 |
| Race (W:O, %) | 83:17 | 80:20 | 66:34 | 0.04 |
| Diagnosis (%) | | | | |
| Developmental | 72 | 23 | 7 | <0.000001 |
| POAG | 0 | 3 | 27 | 0.00006 |
| CCAG | 0 | 8 | 16 | 0.04 |
| Uveitic | 8 | 23 | 16 | NS |
| Traumatic | 14 | 26 | 0 | 0.002 |
| Neovascular | 3 | 15 | 27 | 0.01 |
| Miscellaneous | 3 | 2 | 7 | NS |
| Lens status (%) | | | | |
| Phakic | 61 | 48 | 30 | 0.02 |
| Aphakic | 36 | 26 | 16 | NS |
| Pseudophakic | 3 | 26 | 54 | <0.000001 |
| Previous surgery (categorical, %) | 83 | 87 | 86 | NS |
| Previous GFS (categorical, %) | 72 | 62 | 57 | 0.007 |
| Previous PK (%) | 28 | 26 | 9 | NS |
| Conjunctival incision (%) | 53 | 85 | 84 | 0.0008 |
| Implant (S:D, %) | 22:88 | 15:85 | 36:64 | NS |
| Mean (SD) follow up (months) | 44.9 (26.3) | 43.6 (38.2) | 39.8 (34.3) | NS |
| Mean (SD) preop IOP (mm Hg) | 37 (8) | 39 (10) | 39 (7) | NS |
| Mean (SD) highest IOP (mm Hg) | 43 (9) | 48 (11) | 47 (9) | NS |
| Mean (SD) final IOP (mm Hg) | 19 (9) | 22 (13) | 20 (11) | NS |
| Reduction in IOP (%) | 49.5 | 44.9 | 47.9 | NS |
| Complete success rate (%) | 44.4 | 20.5
| 36.4 | 0.02 |
| Qualified success rate (%) | 61.1 | 48.7 | 70.5 | NS |
| IOP reduced by >30% (%) | 75.0 | 56.4 | 75.0 | NS |