Baseline characteristics of the patients included in the analysis
| Superior (12 o’clock) | Superonasal (left eyes) | Superotemporal (right eyes) | p Value* | |
|---|---|---|---|---|
| *From the Kruksall-Wallis test for unpaired data. | ||||
| No of eyes | 17 | 13 | 15 | |
| Male: female | 13:4 | 7:6 | 8:7 | |
| Mean age at the time of surgery (SD), (years) | 67.4 (10.8) | 71.7 (10.1) | 71 (9.9) | 0.37 |
| Range | 45–81 | 51–85 | 46–83 | |
| Mean preop IOP (SD) (mm Hg) | 24.9 (5.2) | 25.7 (3.7) | 24.5 (5.1) | 0.74 |
| Diagnosis to operation (months) | 29.6 | 38.3 | 36.1 | 0.64 |
| Mean follow up (months) | 60.8 | 54.8 | 49.4 | 0.14 |
| Mean no of drops preop (SD) | 1.1 (0.33) | 1.5 (0.63) | 1.4 (0.63) | 0.19 |
| Mean no of drops at last follow up (SD) | 0.71 (1.04) | 0.23 (0.60) | 0.20 (0.41) | 0.36 |
| Average time to the addition of first glaucoma medication following surgery (months) | 23 | 40.5 | 30.6 | 0.40 |
| Average IOP at the start of the first glaucoma medication following surgery (mm Hg) | 26 | 21 | 21.3 | 0.44 |