Preoperative and postoperative quantitative data and postoperative categorical data excluding complications. Medians were compared using the Kruskal–Wallis procedure, categorical data was compared using χ2 test or Fisher's exact test where appropriate
| Nil adjunct group | 5-FU group | MMC group | p Value (2 df) | |
| Median age at surgery (IQ range) | 61.5 (51.4–67.7) | 67.7 (61.4–74) | 68.4 (60.2–72.6) | 0.019 |
| Median preoperative follow up (IQ range) | 55.1 (20.1–94.3) | 80.3 (31.4–136.4) | 96.1 (52.3–126.4) | 0.04 |
| Median postoperative follow up (IQ range) | 96 (60–126) | 45 (35.5–54) | 18 (12–18) | 0.0001 |
| Median of 3 MDs closest to date of surgery (IQ range) | −13.6 (−22.5 to−11) | −16.7 (−19.9 to −11.9) | −12.6 (−18.2 to −10.2) | 0.286 |
| Number of left eyes | 17/25 (68%) | 20/36 (55.6%) | 12/25 (48%) | 0.352 |
| Female | 19/25 (76%) | 28/36 (77.8%) | 15/25 (60%) | 0.275 |
| Preoperative drops | 16/24 (66.7%) | 24/34 (70.6%) | 11/25 (44%) | 0.096 |
| Preoperative drops in year before surgery | 8/24 (33.3%) | 14/34 (42.2%) | 7/25 (28%) | 0.566 |
| Postoperative IOP lowering dops | 7/25 (28%) | 5/36 (14.3%) | 1/25 (4%) | 0.06 |
| Redo trabeculectomy | 3/25 (12%) | 2/36 (5.6%) | 1/25 (4%) | 0.49 |