Comparison of the success and non-success groups (SD)
| Covariate | SLT success* at 1 year | p Value | |
|---|---|---|---|
| Yes | No | ||
| OAG, open angle glaucoma; Y/N, yes/no; TM, trabecular meshwork; BCVA, best corrected visual acuity. | |||
| *SLT induced IOP reduction greater than or equal to 20% of pretreatment IOP. | |||
| †Kruskal-Wallis rank sum test. | |||
| ‡Fisher’s exact test for equality of median. | |||
| Continuous | |||
| Age (years) | 70.76 (10.68) | 68.62 (10.48) | 0.4047 |
| Baseline IOP (mm Hg) | 26.05 (4.82) | 20.97 (2.85) | 0.0000 |
| IOP (mm Hg) at 1 hour post-treatment | 25.23 (5.76) | 21.14 (4.82) | 0.0024 |
| Total energy (mJ) | 44.95 (10.73) | 43.87 (10.83) | 0.6825 |
| Categorical | |||
| Sex (F/M) | 18/25 | 12/17 | 0.968 |
| Glaucoma type (OAG/others) | 29/14 | 17/12 | 0.445 |
| Previous ALT (Y/N) | 12/31 | 7/22 | 0.722 |
| Other surgery during study (Y/N) | 20/19 | 13/14 | 0.802 |
| Hypertension (Y/N) | 5/34 | 9/20 | 0.066 |
| Diabetes mellitus (Y/N) | 1/38 | 1/28 | 0.831 |
| Myopia (Y/N) | 3/36 | 3/26 | 0.504 |
| Family history of glaucoma (Y/N) | 9/30 | 2/27 | 0.073 |
| TM pigmentation (grade 1–4)† | 1256 | 955 | 0.489 |
| BCVA (median)‡ | 20/30 | 20/30 | 0.834 |