Demographic characteristics of study groups
| Overall (n = 59) | Brimonidine (n = 31) | Timolol (n = 28) | p Value | |
|---|---|---|---|---|
| Sex | ||||
| Male | 12 (20.3%) | 7 (58.3%) | 5 (41.7%) | 0.65 |
| Female | 47 (79.7%) | 24 (51.1%) | 23 (48.9%) | |
| Race | ||||
| Chinese | 56 (94.9%) | 30 (53.5%) | 26 (46.4%) | 0.22 |
| Malay | 2 (3.4%) | 0 (0%) | 2 (100%) | |
| Others | 1 (1.7%) | 1 (100%) | 0 (0%) | |
| Age | ||||
| Mean (SD) | 59.2 (7.2) | 60.9 (7.2) | 57.5 (6.9) | 0.10 |
| Range | 45.8 to 82.4 | 45.8 to 82.4 | 46.8 to 69.8 | |
| Median | 59.7 | 61.8 | 56.7 | |
| Laterality | ||||
| Right | 32 (54.2%) | 19 (59.4%) | 13 (40.6%) | 0.30 |
| Left | 27 (45.8%) | 12 (44.4%) | 15 (55.6%) | |