Table 1 Intra and interobserver measurement results
N = 5 | Mean | Reproducibility (ICC reader 1) | Reproducibility (ICC reader 2) | Reliability (ICC reader 1 versus reader 2) |
|---|---|---|---|---|
Age (years) | 30.8 (29 – 33) | n/a | n/a | n/a |
coronal ratio tibial footprint | 0.506 (0.501 – 0.512) | 0.827 with CI 95% (-0.204 – 0.981) | 0.831 with CI 95% (-0.133 – 0.983) | 0.891 with CI 95% 0.589 – 0.987) |
sagittal ratio tibial footprint | 0.429 (0.405 – 0.441) | 0.816 with CI 95% (-0.213 – 0.980) | 0.994 with CI 95% (0.953 – 0.999) | 0.953 with CI 95% (0.787 – 0.995) |
sagittal ratio femoral footprint high to low | 0.222 (0.203 – 0.237) | 0.922 with CI 95% (0.180 – 0.992) | 0.889 with CI 95% (-0.120 – 0.989) | 0.940 with CI 95% (0.662 – 0.993) |
sagittal ratio femoral footprint deep to shallow | 0.370 (0.36 – 0.38) | 0.977 with CI 95% (0.770 – 0.998) | 0.985 with CI 95% (0.880 – 0.998) | 0.968 with CI 95% (0.850 – 0.996) |
α | 34,243° (31.488 – 35.393) | 0.934 with CI 95% (0.005 – 0.994) | 0.991 with CI 95% (0.935 – 0.999) | 0.962 with CI 95% (0.841 – 0.996) |
β | 86.967° (86.129 – 87.579) | 0.922 with CI 95% (0.234 – 0.992) | 0.783 with CI 95% (-0.085 – 0.977) | 0.879 with CI 95% (0.544 – 0.986) |
coronal articular surface and ACL—angle | 73.309° (72.635 – 74.048) | 0.943 with CI 95% (0.586 – 0.994) | 0.936 with CI 95% (0.470 – 0.993) | 0.967 with CI 95% (0.873 – 0.996) |
sagittal articular surface and ACL—angle | 60.253° (59.980 – 60.550) | 0.980 with CI 95% (0.827 – 0.998) | 0.963 with CI 95% (0.665 – 0.996) | 0.986 with CI 95% (0.944 – 0.998) |
sagittal articular surface and Blumensaat’s line—angle | 58.634° (57.691 – 58.989) | 0.990 with CI 95% (0.901 – 0.999) | 0.989 with CI 95% (0.855 – 0.999) | 0.975 with CI 95% (0.902 – 0.997) |