Table 2 Six-month postoperative outcome
Total | Trabeculectomy | Ahmed | Baerveldt | p value | |
|---|---|---|---|---|---|
n = 147 eyes | n = 17 eyes | n = 22 eyes | n = 108 eyes | ||
IOP (mmHg), M (range) | 12 (1–33) | 10 (1–25) | 16 (8–28) | 12 (5–33) | 0.015* |
Visual acuity (logMAR), M (range) | 0.7 (0–3) | 0.4 (0–3) | 1 (0–3) | 0.7 (0–3) | 0.14* |
Number of topical glaucoma medications, M (range) | 2 (0–4) | 0 (0–3) | 2 (0–4) | 2 (0–4) | 0.098* |
On systemic glaucoma medications, % (n) | 7 (10) | 6 (1) | 9 (2) | 6.5 (7) | 0.86† |
Number of topical anti-inflammatory medications, M (range) | 1 (0–3) | 1 (0–2) | 1 (0–2) | 1 (0–3) | 0.77* |
On systemic immunosuppressants, % (n) | 10 (14) | 6 (1) | 2 (3) | 9 (10) | 0.65§ |
IOP reduction (mmHg), M (range) | 22 (5–75) | 22 (11–47) | 24 (7–40) | 21 (5–75) | 0.56* |
% IOP reduction, M (range) | 65 (26–100) | 69 (41–97) | 65 (21–81) | 64 (40–89) | 0.43* |
Change in visual acuity (logMar), M (range) | 0 (− 3–2) | − 0.1 (− 1–2) | 0 (− 2–2) | 0 (− 3–2) | 0.52* |
Lost > 2 lines in visual acuity, % (n) | 25 (36) | 6 (1) | 31 (7) | 26 (28) | 0.14§ |
Cataract surgery during follow up period, % (n) | 5 (7) | 0 (0) | 5 (1) | 6 (6) | 1† |
Failure, % (n) | 4 (6) | 12 (2) | 14 (3) | 0.9 (1) | 0.0063† |