Table 3.
The mean difference, paired T-test, and 95% limits of agreement (LoA) for differences between the AL-Scan and the IOLMaster partial coherence interferometry in children.
| Device Pairings | Mean Difference ± SD | P Value | 95% LoA |
|---|---|---|---|
| AL (mm) | 0.00 ± 0.03 | 0.346 | −0.05 to 0.05 |
| ACD (mm) | 0.17 ± 0.06 | 0.000 | 0.05 to 0.29 |
| Kf (D) | −0.08 ± 0.14 | 0.000 | −0.36 to 0.20 |
| Ks (D) | −0.19 ± 0.17 | 0.000 | −0.52 to 0.14 |
| Km (D) | −0.13 ± 0.12 | 0.000 | −0.37 to 0.10 |
| Astigmatism | −0.11 ± 0.20 | 0.000 | −0.50 to 0.27 |
| J0 (D) | 0.02 ± 0.19 | 0.537 | −0.37 to 0.40 |
| J45 (D) | −0.01 ± 0.12 | 0.608 | −0.25 to 0.24 |
| CD (mm) | −0.42 ± 0.35 | 0.000 | −1.10 to 0.26 |
AL = axial length, ACD = anterior chamber depth, Kf = flattest keratometry, Ks = steepest keratometry, Km = mean keratometry, CD = corneal diameter, SD = standard deviation.