Table 1.
General characteristics of the study population
| BGI (n = 61) | TE (n = 39) | pb | |
|---|---|---|---|
| Age [year; median (IQR)] | 70 (57–75) | 68 (59–73) | 0.60 |
| Gender (% female) | 53 | 51 | 0.91 |
| Visual acuity pre‐op [logMAR, median (IQR)] | 0.14 (0.02–0.28) | 0.10 (0.00–0.17) | 0.043 |
| IOP pre‐op [mmHg; median (IQR)] | 21 (17–25) | 18 (15–21) | 0.027 |
| IOP post‐op [mmHg; median (IQR)] | 13 (11–16) | 13 (9–15) | 0.40 |
| Pre‐op number of IOP‐lowering medications [median (IQR)] | 3 (2–4) | 3 (2–4) | 0.68 |
| Post‐op number of IOP‐lowering medications [median (IQR)] | 2 (1–3) | 0 (0–0) | <0.001 |
| Pre‐op mean deviation [dB; median (IQR)] | −12 (−16 to −6) | −11 (−16 to −7) | 0.92 |
| Pseudophakic (%)a | 54.1 | 10.3 | <0.001 |
| Secondary glaucoma (%) | 23.0 | 5.1 | 0.035 |
BGI = Baerveldt glaucoma implant; dB = decibels; IOP = intraocular pressure; IQR = interquartile range; TE = trabeculectomy.
a
Before surgery
b
Mann–Whitney test for medians, chi‐squared test for proportions.