Table 1.
Table comparing total Ks(D) and Kf (D), Ks axis (°), Kf axis (°), total astigmatism As.(D) measured with OCT Casia 2 and GalileiG6 Dual Scheimpflug Analyzer. ICC (introclass correlation coefficient) refers to the correlation between devices.
| GalileiG6 | ss-OCT Casia 2 | Difference: GalileiG6-ss-OCT Casia 2 | p * | Limits of Agreement | ICC (95% CI) | ||
|---|---|---|---|---|---|---|---|
| Lower (95% CI) | Upper (95% CI) | ||||||
| Ks (D) (Mean ± SD) | 43.8 ± 1.7 | 43.67 ± 1.55 | 0.13 ± 0.6 | p = 0.083 | −1.04 (−1.05; −1.03) | 1.3 (1.29; 1.31) | 0.93 (0.9; 0.95) |
| Kf (D) (Mean ± SD) | 42.79 ± 1.62 | 42.76 ± 1.61 | 0.03 ± 0.82 | p = 0.643 | −1.57 (−1.6; −1.55) | 1.64 (1.61; 1.66) | 0.87 (0.83; 0.91) |
| Ks axis (°) (Mean ± SD) | 89.47 ± 51.35 | 87.56 ± 60.8 | 1.91 ± 61.44 | p = 0.627 | −118.52 (−248.26; 11.23) | 122.34 (−7.41; 252.08) | 0.41 (0.26; 0.54) |
| Kf axis (°) (Mean ± SD) | 84.07 ± 55.36 | 95.67 ± 46.45 | −11.6 ± 59.15 | p = 0.108 | −127.54 (−247.8; −7.28) | 104.34 (−15.92; 224.6) | 0.32 (0.17; 0.46) |
| Ast. (D) (Mean ± SD) | 1.00± 0.64 | 0.89 ± 0.76 | 0.66± 0.76 | p = 0.03 | −1.48 (−1.72; −1.24) | 1.25 (1.49; 1.01) | 0.02 (−0.13; 0.17) |
* Paired Wilcoxon test.