From: Different accelerated corneal collagen cross-linking treatment modalities in progressive keratoconus
Group 1 (n = 37) | Group 2 (n = 29) | P | ||
---|---|---|---|---|
UCVA (LogMAR) | Preop | 0.581 ± 0.341 | 0.662 ± 0.277 | 0.213 |
12-month postop | 0.449 ± 0.293 | 0.572 ± 0.299 | 0.059 | |
Mean change | 0.13 ± 0.22 | 0.09 ± 0.21 | 0.510 | |
P* | 0.001 | 0.031 | ||
BCVA (LogMAR) | Preop | 0.378 ± 0.237 | 0.421 ± 0.206 | 0.281 |
12-month postop | 0.281 ± 0.185 | 0.283 ± 0.161 | 0.936 | |
Mean change | 0.10 ± 0.13 | 0.14 ± 0.15 | 0.137 | |
P* | 0.0001 | 0.0001 | ||
Cyl (D) | Preop | 3.46 ± 1.49 | 3.51 ± 1.54 | 0.899 |
12-month postop | 3.48 ± 1.67 | 3.51 ± 1.75 | 0.937 | |
Mean change | −0.02 ± 0.57 | 0.00 ± 0.62 | 0.902 | |
P* | 0.862 | 0.986 | ||
Thin (μm) | Preop | 463.51 ± 38.74 | 458.72 ± 37.11 | 0.613 |
12-month postop | 443.51 ± 46.79 | 418.14 ± 43.35 | 0.027 | |
Mean change | 20.00 ± 20.76 | 40.59 ± 25.45 | 0.0001 | |
P* | 0.0001 | 0.0001 | ||
Vol (mm3) | Preop | 56.62 ± 3.56 | 55.87 ± 4.15 | 0.434 |
12-month postop | 55.58 ± 3.93 | 54.59 ± 4.29 | 0.331 | |
Mean change | 1.03 ± 1.62 | 1.28 ± ± .75 | 0.561 | |
P* | 0.0001 | 0.018 | ||
CCT (μm) | Preop | 482.16 ± 39.52 | 474.1 ± 38.82 | 0.410 |
12-month postop | 471.05 ± 46.19 | 451.59 ± 41.84 | 0.081 | |
Mean change | 11.11 ± 18.64 | 22.52 ± 21.42 | 0.008 | |
P* | 0.001 | 0.0001 |