Distribution of risk factors among the subgroups before primary surgery
| Trabeculotomy | Combined procedure | Trabeculectomy | All groups | Kruskal-Wallis test (p value) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean value (SD) | No | Mean value (SD) | No | Mean value (SD) | No | Mean value (SD) | No | ||||||||||
| Perkins tonometry (mm Hg) | 20.1 (5.9) | 17 | 16.4 (5.9) | 13 | 17.4 (9.1) | 26 | 18.0 (7.6) | 56 | 0.22 | ||||||||
| Schiotz tonometry (mm Hg) | 24.5 (7.2) | 17 | 21.2 (7.5) | 13 | 22.1 (6.6) | 27 | 22.6 (6.9) | 57 | 0.53 | ||||||||
| Axial length (mm) | 23.0 (3.0) | 17 | 21.9 (1.7) | 15 | 22.1 (3.3) | 27 | 22.3 (2.9) | 59 | 0.37 | ||||||||
| Corneal diameter (mm) | 13.3 (0.9) | 16 | 13.2 (1.0) | 11 | 13.2 (2.0) | 25 | 13.2 (1.5) | 52 | 0.98 | ||||||||
| Cup-disc ratio | 0.7 (0.28) | 5 | 0.7 (0.18) | 10 | 0.7 (0.25) | 13 | 0.7 (0.22) | 28 | 0.87 | ||||||||
| Corneal haze | 88.23% | 17 | 73.33% | 15 | 75.86% | 29 | 78.68% | 61 | 0.59 | ||||||||