Table 1 Intraobserver repeatability of the ZW-30
Parameter | Observer | Mean ± SD | Sw | TRT | CoV (%) | ICC (95% CI) |
|---|---|---|---|---|---|---|
AL (mm) | 1st | 25.76 ± 1.10 | 0.01 | 0.02 | 0.02 | 1.000 (1.000 to 1.000) |
2nd | 25.79 ± 1.16 | 0.01 | 0.03 | 0.04 | 1.000 (1.000 to 1.000) | |
CCT (μm) | 1st | 543.65 ± 30.34 | 1.84 | 5.11 | 0.34 | 0.996 (0.995 to 0.998) |
2nd | 537.73 ± 31.39 | 1.91 | 5.30 | 0.36 | 0.996 (0.994 to 0.998) | |
AQD (mm) | 1st | 3.10 ± 0.25 | 0.01 | 0.04 | 0.46 | 0.997 (0.995 to 0.998) |
2nd | 3.10 ± 0.27 | 0.02 | 0.05 | 0.56 | 0.996 (0.993 to 0.998) | |
ACD (mm) | 1st | 3.64 ± 0.25 | 0.01 | 0.04 | 0.39 | 0.997 (0.995 to 0.998) |
2nd | 3.64 ± 0.27 | 0.02 | 0.05 | 0.46 | 0.996 (0.994 to 0.998) | |
LT (mm) | 1st | 3.68 ± 0.27 | 0.02 | 0.05 | 0.51 | 0.995 (0.993 to 0.997) |
2nd | 3.72 ± 0.28 | 0.02 | 0.06 | 0.57 | 0.994 (0.991 to 0.997) | |
Km (D) | 1st | 43.36 ± 1.33 | 0.12 | 0.32 | 0.27 | 0.992 (0.989 to 0.995) |
2nd | 43.36 ± 1.45 | 0.11 | 0.30 | 0.25 | 0.995 (0.991 to 0.997) | |
AST (D) | 1st | 1.28 ± 0.73 | 0.12 | 0.34 | – | 0.972 (0.960 to 0.981) |
2nd | 1.10 ± 0.66 | 0.12 | 0.34 | – | 0.966 (0.946 to 0.980) | |
J0 (D) | 1st | − 0.59 ± 0.39 | 0.06 | 0.18 | – | 0.974 (0.963 to 0.982) |
2nd | − 0.48 ± 0.37 | 0.07 | 0.19 | – | 0.967 (0.947 to 0.981) | |
J45 (D) | 1st | − 0.03 ± 0.18 | 0.06 | 0.18 | – | 0.887 (0.842 to 0.922) |
2nd | − 0.03 ± 0.20 | 0.07 | 0.18 | – | 0.899 (0.842 to 0.939) | |
CD (mm) | 1st | 11.89 ± 0.40 | 0.07 | 0.20 | 0.61 | 0.967 (0.953 to 0.978) |
2nd | 11.96 ± 0.42 | 0.08 | 0.22 | 0.65 | 0.967 (0.947 to 0.981) |