Table 1 Preoperative characteristics
From: Influence of Selective Laser Trabeculoplasty (SLT) on the iStent inject® outcomes
OAG (n = 66) | |||
|---|---|---|---|
Without prior SLT to surgery A | With SLT treatment previous to surgery B | p-values | |
Intraocular pressure (IOP) | |||
- Mean (SD) | 20.38 (5.33) | 19.21 (4.49) | p = 0.539 |
- Range | 15–38 | 15–31 | |
No. of medications | |||
- Mean (SD) | 2.56 (1.04) | 2.57 (1.16) | p = 0.915 |
- Range | 0–4 | 0–4 | |
- No. on 0 meds (%) | 1 (1.9%) | 1 (7.1%) | |
- No. on 1 meds (%) | 9 (17.3%) | 1 (7.1%) | |
- No. on 2 meds (%) | 11 (21.2%) | 4 (28.6%) | |
- No. on 3 meds (%) | 22 (42.3%) | 5 (35.7%) | |
- No. on 4 meds (%) | 9 (17.3%) | 3 (21.4%) | |
Cup-to-Disc ratio | |||
- No. ≤ 0.3 (%) | 0 (0%) | 0 (0%) | p = 0.508 |
- No. > 0.3 ≤ 0.5 (%) | 6 (11.5%) | 2 (14.3%) | |
- No. > 0.5 ≤ 0.8 (%) | 25 (48.1%) | 6 (42.9%) | |
- No. > 0.8 (%) | 21 (40.4%) | 6 (42.9%) | |
Best-corrected visual acuity | |||
- ≥ 20/40 (%) | 39 (75.0%) | 9 (64.3%) | p = 0.259 |
- 20/50 to 20/100 (%) | 7 (13.5%) | 1 (7.1%) | |
- ≤ 20/200 (%) | 6 (11.5%) | 4 (28.6%) | |
Visual Field | |||
- Mild (%) | 12 (23.1%) | 5 (35.7%) | p = 0.337 |
- Moderate (%) | 40 (76.9%) | 9 (64.3%) | |
- Advanced (%) | 0 (0%) | 0 (0%) | |
Average RNFL thickness in μm | |||
- Mild - Mean (SD) | 86.5 (12.1) | 88.4 (3.8) | p = 0.897 |
- Moderate - Mean (SD) | 68.1 (18.0) | 61.4 (11.6) | |