Table 6.
Preoperative and Postoperative Best-Corrected Visual Acuity (Logarithm of the Minimum Angle of Resolution) Compared by Mixed-Effects Regression Model.
| Periods | Total | µLOT Alone | µLOT + Cataract Surgery | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. Eyes | Mean ± SD (Range) | p Value ‡ | No. Eyes | Mean ± SD (Range) | p Value ‡ | No. Eyes | Mean ± SD (Range) | p Value ‡ | |
| Preoperative | 560 | 0.23 ± 0.42 (−0.08, 2.80) | 159 | 0.11 ± 0.39 (−0.08, 2.60) | 401 | 0.28 ± 0.43 (−0.08, 2.80) | |||
| 1–2 weeks | 538 | 0.33 ± 0.61 (−0.08, 2.89) | <0.0001 | 153 | 0.30 ± 0.68 (−0.08, 2.70) | <0.0001 | 385 | 0.34 ± 0.58 (−0.0,8, 2.89) | 0.0442 |
| 1 month | 494 | 0.19 ± 0.46 (−0.18, 2.89) | 0.0262 | 136 | 0.15 ± 0.48 (−0.18, 2.80) | 0.0180 | 358 | 0.21 ± 0.45 (−0.08, 2.89) | <0.0001 |
| 3 months | 429 | 0.13 ± 0.37 (−0.08, 2.89) | <0.0001 | 116 | 0.07 ± 0.29 (−0.08, 2.00) | 0.8300 | 313 | 0.15 ± 0.39 (−0.08, 2.89) | <0.0001 |
| 6 months | 367 | 0.14 ± 0.40 (−0.18, 2.89) | <0.0001 | 98 | 0.10 ± 0.37 (−0.08, 2.60) | 0.2943 | 269 | 0.15 ± 0.42 (−0.18, 2.89) | <0.0001 |
| 9 months | 309 | 0.11 ± 0.42 (−0.18, 2.89) | <0.0001 | 86 | 0.04 ± 0.34 (−0.18, 2.70) | 0.4275 | 223 | 0.13 ± 0.44 (−0.08, 2.89) | <0.0001 |
| 12 months | 270 | 0.10 ± 0.39 (−0.18, 2.89) | <0.0001 | 66 | 0.06 ± 0.36 (−0.18, 2.60) | 0.2679 | 204 | 0.12 ± 0.40 (−0.08, 2.89) | <0.0001 |
| 18 months | 201 | 0.11 ± 0.45 (−0.08, 2.89) | <0.0001 | 53 | 0.03 ± 0.20 (−0.08, 1.10) | 0.0790 | 148 | 0.14 ± 0.50 (−0.08, 2.89) | <0.0001 |
| 24 months | 133 | 0.11 ± 0.41 (−0.18, 2.89) | 0.0011 | 37 | 0.03 ± 0.24 (−0.08, 1.22) | 0.0489 | 96 | 0.14 ± 0.46 (−0.18, 2.89) | 0.0002 |
| 30 months | 74 | 0.11 ± 0.47 (−0.08, 2.89) | 0.0041 | 21 | 0.05 ± 0.28 (−0.08, 1.10) | 0.1899 | 53 | 0.14 ± 0.53 (−0.08, 2.89) | 0.0004 |
| 36 months | 47 | 0.15 ± 0.57 (−0.18, 2.89) | 0.0588 | 12 | 0.01 ± 0.14 (−0.08, 0.40) | 0.6985 | 35 | 0.20 ± 0.66 (−0.08, 2.89) | 0.0519 |
| Final visit | 547 | 0.14 ± 0.41 (−0.18, 2.89) | <0.0001 | 156 | 0.11 ± 0.38 (−0.18, 2.70) | 0.2317 | 391 | 0.15 ± 0.42 (−0.18, 2.89) | <0.0001 |
| p < 0.0001 † | p < 0.0001 † | p < 0.0001 † | |||||||
Data are expressed as means ± standard deviations (range). † p values are calculated using the mixed-effects regression model. ‡ p values are calculated using the paired t-test between preoperative and respective time period values. Abbreviations: µLOT, microhook trabeculotomy; SD, standard deviation.