Table 1.
Patients’ characteristics.
| Total | CT | GATT | p-Value | |
|---|---|---|---|---|
| 80 Eyes | 27 Eyes | 53 Eyes | ||
| Age (mean ± SD) years | 68.6 ± 13.6 | 65.8 ± 12.8 | 70.0 ± 13.7 | 0.06 |
| Sex (male), n (%) | 37 (46.3) | 11 (40.7) | 26 (49.1) | 0.48 |
| Preoperative IOP (mean ± SD) (mmHg) | 30.7 ± 8.63 | 30.3 ± 8.38 | 30.96 ± 8.74 | 0.76 |
| Preoperative number of glaucoma medications | 4.04 ± 1.02 | 4.11 ± 0.99 | 4.00 ± 1.03 | 0.59 |
| Preoperative MD of HFA 30-2 (dB) (mean ± SD) | −7.36 ± 5.45 | −5.33 ± 3.43 | −8.34 ± 5.95 | 0.03 |
| Type of glaucoma | 0.55 | |||
| POAG, n (%) | 31 (38.75) | 10 (37.04) | 21 (39.62) | |
| Exfoliative, n (%) | 28 (35.0) | 8 (29.63) | 20 (37.74) | |
| Steroid-induced, n (%) | 14 (17.5) | 7 (25.93) | 7 (13.21) | |
| Others, n (%) | 7 (8.75) | 2 (7.40) | 5 (9.43) | |
| Lens status | ||||
| Phakic, n (%) | 53 (66.25) | 17 (63.0) | 35 (66.0) | 0.79 |
| Combined cataract extraction, n (%) | 43 (53.8) | 13 (48.1) | 30 (56.6) | 0.47 |
| Extent of incision in SC, mean ± SD (degrees) | 257.3 ± 111.3 | 117.8 ± 11.3 | 328.3 ± 60.7 | * <0.001 |
| Follow-up period (mean ± SD, range) (months) | 19.5 ± 6.5 (3–24) | 18.4 ± 7.5 (3–24) | 20.0 ± 5.8 (6–24) | 0.41 |
CT, conventional trabeculotomy; GATT, gonioscopy-assisted transluminal trabeculotomy; SD, standard deviation; MD, mean deviation; HFA, Humphrey field analyzer; SC, Schlemm’s canal. By using a Bonferroni correction for multiple comparisons, * p < 0.005 was defined as statistical significance.