Table 2.
Intraocular pressure (IOP) mean values, median values, standard deviations, and range in the phaco-ExPress (P-ExPress) and phacotrabeculectomy (P-Trab) groups at specific times after surgery.
| Time | P-ExPress | P-Trab | P ∗ | ||||
|---|---|---|---|---|---|---|---|
| Mean (SD) | Median | Range | Mean (SD) | Median | Range | ||
| Pre-op | 26.4 ± 9.3 | 25.00 | 12–50 | 27.9 ± 12.9 | 25.00 | 12–62 | 0.877 |
| 1st day | 17.6 ± 9.0 | 16.00 | 4–29 | 16.6 ± 6.9 | 16.00 | 3–31 | 0.867 |
| 7th day | 16.1 ± 7.6 | 14.00 | 7–23 | 17.5 ± 5.9 | 18.00 | 3–19 | 0.236 |
| 1st month | 17.8 ± 11.8 | 16.00 | 8–27 | 16.5 ± 5.1 | 16.00 | 10–26 | 0.653 |
| 3rd month | 15.0 ± 4.1 | 16.00 | 5–23 | 14.7 ± 3.4 | 15.00 | 7–24 | 0.645 |
| 6th month | 14.9 ± 3.6 | 15.00 | 7–22 | 16.1 ± 3.2 | 16.00 | 8–23 | 0.281 |
| 9th month | 15.8 ± 6.6 | 17.00 | 9–26 | 15.1 ± 3.2 | 15.00 | 9–25 | 0.318 |
| 12th month | 17.1 ± 5.0 | 17.50 | 7–26 | 15.9 ± 2.7 | 16.00 | 8–26 | 0.475 |
P-ExPress: phaco-ExPress group; P-Trab: phacotrabeculectomy group; SD: standard deviation; Pre-op: preoperatively, ∗Mann-Whitney U test.