Total | Trabeculectomy | Ahmed | Baerveldt | p value | |
---|---|---|---|---|---|
n = 115 eyes | n = 11 eyes | n = 17 eyes | n = 87 eyes | ||
IOP (mmHg), M (range) | 12 (4–38) | 10 (5–38) | 14 (6–27) | 12 (4–38) | 0.19* |
Visual acuity (logMAR) M (range) | 0.6 (0–3) | 0.2 (0–1) | 0.5 (0–3) | 0.7 (0–3) | 0.097* |
Number of topical glaucoma medications, M (range) | 2 (0–4) | 0 (0–4) | 2 (0–4) | 2 (0–4) | 0.22* |
On systemic glaucoma medications, % (n) | 5 (6) | 9 (1) | 6 (1) | 4 (4) | 0.59† |
Number of topical anti-inflammatory medications, M (range) | 1 (0–2) | 1 (0–2) | 1 (0–2) | 1 (0–2) | 0.69* |
On systemic immunosuppressants, % (n) | 5 (6) | 9 (1) | 6 (1) | 4 (4) | 0.59† |
IOP reduction (mmHg), M (range) | 22 (10–76) | 22 (10–39) | 24 (11–46) | 21 (8–76) | 0.62* |
% IOP reduction, M (range) | 66 (− 38–89) | 69 (36–82) | 67 (29–86) | 65 (38–89) | 0.76* |
Change in visual acuity (logMar), M (range) | 0 (− 3–2) | − 0.3 (− 1–0.2) | 0 (−1–2) | 0 (− 3–2) | 0.48* |
Lost > 2 lines in visual acuity, % (n) | 33 (38) | 36 (4) | 41 (7) | 31 (27) | 0.70§ |
Cataract surgery during follow up period, % (n) | 13 (15) | 0 (0) | 6 (1) | 16 (14) | 0.35† |
Failure, % (n) | 7.5 (11) | 18 (3) | 23 (5) | 3 (3) | 0.0015† |