Table 1. Demographic characteristics.
| Characteristic | Trabeculectomy | Ex-PRESS | P value |
|---|---|---|---|
| n = 32 | n = 32 | ||
| Age, y | 72.7 ± 9.6 | 70.7 ± 11.4 | 0.47* |
| Sex, Male/Female | 13/19 | 14/18 | 0.80† |
| Side of surgical eye, Right/Left | 17/15 | 14/18 | 0.45† |
| Type | |||
| Primary open-angle glaucoma/Exfoliation glaucoma | 19/13 | 20/12 | 0.80† |
| Number of preoperative medication | 2.7 ± 0.7 | 2.6 ± 0.7 | 0.27* |
| Anterior chamber depth, mm | 2.93 ± 0.45 | 2.94 ± 0.45 | 0.94* |
| Preoperative intraocular pressure, mmHg | 27.9 ± 10.7 | 27.2 ± 8.5 | 0.94* |
| Preoperative visual acuity, logMAR | 0.33 ± 0.48 | 0.40 ± 0.43 | 0.28* |
| Axial length, mm | 23.6 ± 1.6 | 24.2 ± 1.5 | 0.13* |
| Corneal thickness, mm | 0.51 ± 0.05 | 0.51 ± 0.04 | 0.95* |
| Automated perimetry program 24-2 | |||
| Eyes, No. (%) | 11 (34) | 16 (50) | |
| MD, mean (dB) | −10.2 ± 6.94 | −11.3 ± 5.52 | 0.75* |
| Automated perimetry program 10-2 | |||
| Eyes, No. (%) | 18 (56) | 13 (41) | |
| MD, mean (dB) | −22.0 ± 7.60 | −22.0 ± 8.96 | 0.81* |
| Fixation loss | |||
| No. (%) | 3 (9) | 3 (9) | 1.00 |
logMAR = logarithm of the minimal angle of resolution, MD = mean deviation.
*Mann-Whitney non-parametric test. (Data are mean values ± standard deviation).
†The Chi-square test.