Table 4.
Comparison of successful and unsuccessful groups (N = 31).
| Successful group (N = 21) | Unsuccessful group (N = 10) | P-value | |
|---|---|---|---|
| Age at baseline (years) | 74.2 ± 9.4 | 72.1 ± 9.5 | 0.56 |
| Sex (female/male), no | 5/16 | 4/6 | 0.42a |
| Axial length (mm) | 24.44 ± 1.45 | 25.11 ± 1.92 | 0.29 |
| Central corneal thickness (μm) | 520.0 ± 33.4 | 530.1 ± 47.9 | 0.50 |
| Visual field mean deviation (dB) | − 9.74 ± 6.95 | − 9.80 ± 3.90 | 0.98 |
| Single/combined with cataract surgery, no | 10/11 | 4/6 | > 0.99a |
| Surgical procedure (microhook/TOM/s-LOT) | 6/3/12 | 3/5/2 | 0.067a |
| Preoperative anti-glaucoma eye drops, no | 3.6 ± 0.9 | 4.2 ± 0.6 | 0.063 |
| Preoperative IOP (mmHg) | 24.3 ± 7.5 | 21.6 ± 6.0 | 0.33 |
| Anti-glaucoma eye drops 1 year after surgery, no | 1.4 ± 1.2 | 3.4 ± 0.9 | < 0.001 |
| IOP 1 year after surgery (mmHg) | 13.9 ± 3.1 | 19.6 ± 4.2 | < 0.001 |
| IOP change rate 1 year after surgery (%) | − 39.8 ± 14.5 | − 3.4 ± 23.3 | < 0.001 |
| Preoperative superficial VD (%) | 27.13 ± 7.59 | 26.44 ± 7.59 | 0.82 |
| Postoperative superficial VD (%) | 27.12 ± 6.72 | 28.43 ± 8.06 | 0.64 |
| Preoperative deep VD (%) | 10.20 ± 4.18 | 15.71 ± 9.63 | 0.11 |
| Postoperative deep VD (%) | 8.95 ± 2.76 | 13.52 ± 7.14 | 0.078 |
Data are presented as the mean ± standard deviation unless otherwise indicated.
IOP, intraocular pressure; s-LOT, suture trabeculotomy; TOM, Trabectome; VD, vessel density.
P-value: aCalculated using Fisher's exact test; The other values were calculated using an unpaired t-test.
Significant values are in bold.