Table 2.
Demographic and preoperative characteristics
| Variable | Statistics |
|---|---|
| Subjects analyzed (N) | 99 |
| Mean age (years) ± SD | 66.4 ± 10.9 |
| Range | 34–94 |
| Gender | |
| Male | 43 (43%) |
| Female | 56 (57%) |
| Race/ethnicity | |
| White | 95 (96%) |
| Eye | |
| Right | 40 (40%) |
| Left | 59 (60%) |
| Additional glaucoma diagnosis | |
| Pseudoexfoliative glaucoma | 3 (3.0%) |
| Lens status | |
| Phakic | 82 (83%) |
| Pseudophakic | 17 (27%) |
| Mean C:D ratio ± SD | 0.7 ± 0.2 |
| Mean # medications (SD) | 2.21 (0.44) |
| # Medications by classa | |
| Alpha agonist | 18 (18.2%) |
| Beta blocker | 80 (80.8%) |
| Carbonic anhydrase inhibitor | 56 (56.6%) |
| Prostaglandin analog | 61 (61.6%) |
| Miotic (pilocarpine) | 4 (4.0%) |
| Mean medicated IOP (mmHg) | 22.1 ± 3.3 |
| Mean pachymetry (μm) | 541.0 ± 38.1 |
| Mean post-washout IOP (mmHg) | 26.3 ± 3.5 |
C:D cup:disc ratio, IOP intraocular pressure
aSubjects could be on two or more medications