Research Article
Comparison of Repeatability and Agreement between Swept-Source Optical Biometry and Dual-Scheimpflug Topography
Table 1
Repeatability of various biometric parameters with two biometry devices.
| Parameters | Within-subject standard deviation | Coefficient of variation (%) | ICC (95% CI) | IOLMaster 700 | Galilei G6 | IOLMaster 700 | Galilei G6 | IOLMaster 700 | Galilei G6 |
| AL (mm) | 0.005 | 0.037 | 0.021 | 0.147 | 1.000 (1.000-1.000) | 0.999 (0.998–0.999) | ACD (mm) | 0.008 | 0.018 | 0.231 | 0.568 | 0.999 (0.998–0.999) | 0.996 (0.993–0.997) | Kf (D) | 0.098 | 0.282 | 0.228 | 0.664 | 0.989 (0.984–0.992) | 0.956 (0.938–0.970) | Ks (D) | 0.076 | 0.202 | 0.172 | 0.458 | 0.997 (0.996–0.998) | 0.980 (0.971–0.986) | Km (D) | 0.069 | 0.210 | 0.158 | 0.486 | 0.996 (0.994–0.997) | 0.973 (0.962–0.982) | WTW (mm) | 0.110 | 0.091 | 0.854 | 0.768 | 0.879 (0.838–0.912) | 0.832 (0.769–0.882) | CCT (μm) | 1.873 | 4.148 | 0.349 | 0.731 | 0.995 (0.993–0.996) | 0.965 (0.950–0.976) | LT (mm) | 0.011 | 0.04 | 0.332 | 0.983 | 0.999 (0.999–0.999) | 0.984 (0.977–0.990) |
|
|
AL: axial length; ACD: anterior chamber depth; Kf: flat keratometry; Ks: steep keratometry; Km: mean keratometry; WTW: white-to-white corneal diameter; CCT: central corneal thickness; LT: lens thickness; ICC: intraclass correlation coefficient.
|