Table 1

Baseline characteristics of patients in study

Hospital (n=200)Community (n=203)
Male no (%)115 (57.5)103 (50.7)
Mean age (years) (SD)69.4 (8.8)68.0 (8.3)
Glaucoma suspects (no (%))
 Male 48 (61.5)51 (53.7)
 Female30 (38.5)44 (46.3)
Family history glaucoma (no (%))35 (17.5)48 (23.6)
Previous cataract extraction (no (%))14 (7.0)8 (3.9)
LogMAR both eyes (mean, SD)0.06 (0.18)0.06 (0.17)
Visual measurements Better eye Worse eye Better eye Worse eye
Number of points missed on visual field testing (mean, SD)7.1 (9.6)13.7 (14.1)6.0 (8.0)12.1 (13.4)
Intraocular pressure (mm Hg) (mean, SD)21.0 (4.2)19.0 (5.5)21.8 (4.3)21.9 (4.9)
Cup disc ratio (mean, SD)0.61 (0.15)0.63 (0.15)0.60 (0.15)0.64 (0.17)
Previous trabeculectomy (no (%))12 (6.0)20 (10.0)10 (4.9)18 (6.0)
Previous argon laser therapy (no,%)11 (5.5)19 (9.5)10 (4.9)15 (7.4)
Any treatment (no (%))138 (69.0)148 (74.0)135 (66.5)150 (73.9)