Table 1: Demographic and baseline data of enrolled subjects
| N | Percentage (%) | ||||
| A | |||||
| Gender | |||||
| Male | 35 | 34 | |||
| Female | 68 | 66 | |||
| Total | 103 | ||||
| Race | |||||
| Caucasian | 73 | 71 | |||
| African American | 18 | 17 | |||
| Hispanic | 5 | 5 | |||
| Asian | 3 | 3 | |||
| Other | 4 | 4 | |||
| Total | 103 | ||||
| B | |||||
| Significant ophthalmic history | |||||
| Primary open angle glaucoma | 93 | 90 | |||
| Ocular hypertension | 18 | 17.5 | |||
| Cataracts | 13 | 12.6 | |||
| Pseudophakia | 3 | 2.9 | |||
| Central retinal vein occlusion | 1 | 1.0 | |||
| Diabetic retinopathy | 1 | 1.0 | |||
| Macular degeneration | 4 | 3.9 | |||
| Significant dry eyes | 1 | 1.0 | |||
| Pan retinal photocoagulation | 2 | 1.9 | |||
| Selective laser trabeculoplasty | 1 | 1.0 | |||
| Ophthalmic medication history | |||||
| Betimol (timolol hemihydrate) | 67 | 65.0 | |||
| Istalol (timolol maleate in sorbate) | 39 | 37.9 | |||
| Travatan Z (travoprost BAC free) | 17 | 16.5 | |||
| Xalatan (latanoprost) | 12 | 11.7 | |||
| Lumigan (bimatoprost) | 10 | 9.7 | |||
| Diamox (acetazolamide) | 1 | 1.0 | |||
| Azopt (brinzolamide) | 1 | 1.0 | |||
| Therapy type | |||||
| Monotherapy | 63 | 61.2 | |||
| Adjunctive therapy | 40 | 38.8 |