Table 5.
Comparison of demographic characteristics between patients with higher versus lower preoperative peak IOP
| Preoperative peak IOP ≥ 37 mmHg (n = 30) | Preoperative peak IOP < 37 mmHg (n = 30) | p- value | |
|---|---|---|---|
| Age (y) | 52.9 ± 15.2 | 58.0 ± 11.6 | 0.151 |
| Sex (male/female) | 23/7 | 22/8 | 1.000* |
| Best-corrected visual acuity (logMAR) | 0.1 ± 0.2 | 0.2 ± 0.2 | 0.517 |
| Spherical equivalent (D) | −1.4 ± 2.1 | −1.3 ± 1.8 | 0.879 |
| Axial length (mm) | 23.5 ± 2.0 | 23.6 ± 1.1 | 0.627 |
| Central corneal thickness (µm) | 542.8 ± 32.7 | 533.6 ± 27.5 | 0.283 |
| Disc area (mm2) | 2.1 ± 0.5 | 2.2 ± 0.4 | 0.471 |
| Disc haemorrhage presence, n (%) | 1 (3.3) | 4 (13.3) | 0.353* |
| Diagnosis, n (%) | |||
| Primary open-angle glaucoma | 8 (26.7) | 21 (70.0) | 0.002* |
| Chronic angle-closure glaucoma | 6 (20.0) | 3 (10.0) | 0.472* |
| Uveitis-associated glaucoma | 8 (26.7) | 1 (3.3) | 0.026* |
| Pseudoexfoliation glaucoma | 5 (16.7) | 3 (10.0) | 0.706* |
| Steroid-induced glaucoma | 3 (10.0) | 2 (6.7) | 1.000* |
| Preoperative peak IOP (mmHg) | 46.7 ± 5.9 | 28.0 ± 4.9 | < 0.001 |
IOP = intraocular pressure, logMAR = logarithm of the minimum angle of resolution, D = dioptres.
*Fisher’s exact test.