Table 1.
Baseline preoperative characteristics of the study population presented as mean ± standard deviation unless stated otherwise.
| XEN-Implant (n = 124 Eyes) | XEN-Implant Combined with Cataract Extraction (n = 97 Eyes) | p-Value | |
|---|---|---|---|
| Age (years) | 69.9 ± 10.5 | 71.7 ± 9.7 | 0.181 |
| Gender, female (n, %) | 70 (56.5) | 49 (50.5) | 0.380 |
| Caucasian descent (n, %) | 111 (89.5) | 81 (83.5) | 0.270 |
| Untreated IOP at diagnosis (mmHg) | 22.4 ± 8.8 | 24.0 ± 10.1 | 0.195 |
| IOP (mmHg) | 20.0 ± 6.7 | 17.3 ± 5.8 | 0.002 |
| Number of IOP-lowering Rx | 3.1 ± 1.3 | 3.2 ± 1.0 | 0.834 |
| Visual acuity | 0.7 ± 0.4 | 0.7 ± 0.3 | 0.172 |
| Spherical equivalent (D) * | −1.3 ± 2.1 | −2.0 ± 4.2 | 0.165 |
| Central corneal thickness (µm) | 528.9 ± 44.5 | 518.7 ± 57.8 | 0.251 |
| Positive family history (n, %) | 48 (39.3) | 39 (41.5) | 0.750 |
| Follow-up (years) | 1.7 ± 1.3 | 1.2 ± 0.9 | <0.001 |
| Previous eye surgery (n, %) # | 20 (16.1) | 5 (5.2) | 0.011 |
* = before cataract surgery if applicable; # = cataract surgery not counted; NA = Not applicable/available; IOP = Intraocular pressure; Rx = Medication.