Table 2.
The mean and standard deviation (SD) of corneal thinnest thickness (CCT) in three measurements and repeatability measurements obtained with Pentacam and Orbscan
| Thinnest point (micron) | First | Second | Third | RI | p-value* | ICC |
|---|---|---|---|---|---|---|
| Pentacam | ||||||
| Grade 1 | 480.87 ± 32.6 | 480.90 ± 32.42 | 481.67 ± 32.88 | 9.6 | 0.569 | 0.988 |
| Grade 2 | 440.96 ± 37.05 | 440.46 ± 37.66 | 441.46 ± 36.35 | 8.0 | 0.468 | 0.994 |
| Grade 3 | 409.43 ± 30.97 | 403.06 ± 39.69 | 399.06 ± 37.48 | 35.7 | 0.029 | 0.965 |
| Orbscan | ||||||
| Grade 1 | 482 ± 44.49 | 481.93 ± 43.35 | 480.27 ± 45.59 | 19.5 | 0.564 | 0.975 |
| Grade 2 | 432.23 ± 50.26 | 432.42 ± 48.56 | 432.04 ± 48.93 | 16.6 | 0.937 | 0.984 |
| Grade 3 | 385.47 ± 50.97 | 384.89 ± 50.3 | 389.94 ± 48.17 | 26.8 | 0.977 | 0.956 |
RI: Repeatability index.
ICC: Intraclass Correlation Coefficient.
*The p-value was calculated by repeated measure ANOVA.