Table 7.
Difference of the corneal resistance factor (CRF) values (preoperative values to postoperative values at all time points) for the two groups.
| CRF (Preop-Postop Time Points) |
1 Month Mean ± SD |
p Value (Unpaired t-Test) |
6 Months Mean ± SD |
p Value (Unpaired t-Test) |
12 Months Mean ± SD |
p Value (Unpaired t-Test) |
|---|---|---|---|---|---|---|
| Ex-PRESS group | –1.67 ± 2.7 | 0.23 | –2.13 ± 2.04 | 0.62 | –1.9 ± 2.03 | 0.27 |
| Trab group | –2.9 ± 1.89 | –1.7 ± 2.7 | –2.81 ± 1.47 |
CRF: Corneal resistance factor, SD: Standard deviation.