Table 3. Comparison of RAL measured by CASIA 2 and Pentacam.
| Group | CASIA 2 (mean ± SD), mm |
Pentacam (mean ± SD), mm |
Mean difference (95% CI), mm |
LoA, mm | r | P |
|---|---|---|---|---|---|---|
| Cataract | 9.59±1.17 | 7.35±0.91 | 2.24 (1.93 to 2.54) | −3.85 to −0.63 | 0.714 | <0.001 |
| Non-cataract | 11.22±1.94 | 8.83±1.43 | 2.38 (2.11 to 2.66) | −3.81 to −0.96 | 0.950 | <0.001 |
| P | <0.001 | <0.001 | ||||
| All | 10.38±1.78 | 8.12±1.40 | 2.31 (2.11 to 2.51) | −3.83 to −0.79 | 0.909 | <0.001 |
RAL, radius of anterior lens surface curvature; LoA, the limit of agreement; ICC, the intraclass correlation coefficient.