Table 3

Data of the different groups operated

DiagnosisMean age at diagnosis
of glaucoma (years)
Mean age at surgery (years)Follow up (months) Time until failure (months) Rate of failure (%)
Primary open angle57.965.728.7 (0.9)13.0 (2.4)15.0
Pseudoexfoliation63.569.229.5 (1.3)11.2 (2.3)11.2
Chronic angle closure56.263.629.3 (2.0)8.7 (4.9)12.8
Pigmentary dispersion syndrome42.148.927.5 (2.5)15.5 (7.6)17.6
Buphthalmus0.13.521.9 (2.8)3.6 (1.0)40.0
Dysgenetic glaucoma39.643.124.9 (2.5)10.6 (3.1)23.8
Uveitic glaucoma48.355.827.8 (3.0)8.6 (3.2)50.0
Traumatic37.847.226.9 (4.1)2.7 (1.2)30.0
Neovascular glaucoma62.364.631.0 (6.8)12.5 (6.4)80.0
Repeat trabeculectomy32.047.224.7 (2.5)4.9 (1.2)48.8
  • Mean (SEM).