Table 1.
Baseline Characteristics of XEN Gel Stent Eyes
| Parameters | Ab Interno (n=50) | Ab Externo (n=30) | P-value |
|---|---|---|---|
| Age (years) | 71.0 ± 13.4 | 67.6 ± 9.3 | 0.190a |
| Race/Ethnicity (%) | |||
| Hispanic | 48.0 | 63.3 | 0.174b |
| White | 30.0 | 13.3 | |
| African American | 16.0 | 23.3 | |
| Asian | 6.0 | 0 | |
| Percentage of females (%) | 48.0 | 70.0 | 0.066b |
| Right eye (N, %) | 20, 40.0% | 17, 56.7% | 0.170b |
| Goldmann IOP (mm Hg) | 23.52 ± 8.53 | 26.53 ± 9.66 | 0.164a |
| Hypotensive glaucoma medications | 3.70 ± 1.13 | 4.07 ± 1.20 | 0.182a |
| HVF mean deviation | −16.08 ± 9.06 | −16.87 ± 11.70 | 0.520a |
| CCT (µm) | 527.15 ± 46.65 | 532.00 ± 69.80 | 0.771a |
| Combined with cataract extraction (N, %) | 4, 8.0 | 4, 13.3 | 0.465b |
| Snellen BCVAc | 20/40 | 20/30 | n/a |
| Corneal hysteresis | 8.81 ± 2.30 | 8.69 ± 1.90 | 0.820a |
Notes: ± Values indicate standard deviation. aUsing two-sided unpaired Student’s t-test. bUsing Fisher’s exact test. cMedian.