Table 2.
Last follow-up examination
| Drainage implant (N = 20) | Trabeculectomy (N = 20) | P value | |
|---|---|---|---|
| Follow-up interval (months, mean ± SD) | 31.1 ± 24.5 | 25.0 ± 19.7 | 0.477 |
| Visual acuity (logMAR, mean ± SD) | 2.6 ± 0.3 | 2.0 ± 0.8 | 0.011a |
| Postoperative intraocular pressure (mm Hg, mean ± SD) | 13.7 ± 13.1 | 16.5 ± 10.9 | 0.289 |
| Postoperative medications (mean ± SD) | 1.0 ± 1.5 | 1.8 ± 1.7 | 0.150 |
| Surgical outcome | |||
| Success | 12 (60%) | 11 (55%) | 0.474 |
| Failure | 8 (40%) | 9 (45%) |
Note:
a
P < 0.05.
Abbreviations: logMAR, logarithm of the minimal angle of resolution; SD, standard deviation.