Categories and items |
Radius |
Ulna | ||||||
Intra-rater agreement |
Inter-rater agreement |
Intra-rater agreement |
Inter-rater agreement | |||||
ICC |
95% CI |
ICC |
95% CI |
ICC |
95% CI |
ICC |
95% CI | |
Epiphysis | ||||||||
Bone marrow oedema | ||||||||
Extent |
0.86 |
0.72 to 0.94 |
0.78 |
0.66 to 0.88 |
0.74 |
0.53 to 0.87 |
0.30 |
0.15 to 0.50 |
Location |
0.60 |
0.32 to 0.79 |
0.60 |
0.43 to 0.75 |
0.69 |
0.44 to 0.84 |
0.26 |
0.11 to 0.45 |
Signal intensity |
0.85 |
0.69 to 0.93 |
0.76 |
0.63 to 0.86 |
0.59 |
0.30 to 0.78 |
0.27 |
0.12 to 0.47 |
Visibility on 3D WATSc |
0.90 |
0.79 to 0.95 |
0.70 |
0.55 to 0.83 |
0.28 |
0 to 0.57 |
0.34 |
0.18 to 0.54 |
Physis | ||||||||
Thickness* |
0.80 |
0.62 to 0.90 |
0.47 |
0.35 to 0.59 |
0.44 |
0.09 to 0.69 |
0.22 |
0.10 to 0.34 |
Location of thickness |
0 |
0 to 0.45 |
0.07 |
0 to 0.24 |
0 |
NA |
0 |
0 to 0.14 |
Thickness compared with proximal physis of MC-1 |
0.83 |
0.67 to 0.91 |
0.58 |
0.42 to 0.73 |
0.52 |
0.19 to 0.74 |
0.21 |
0.07 to 0.40 |
Signal intensity |
0.81 |
0.65 to 0.90 |
0.62 |
0.47 to 0.76 |
0.62 |
0.35 to 0.80 |
0.39 |
0.23 to 0.58 |
Disruptions |
0.36 |
0 to 0.64 |
0.23 |
0.08 to 0.43 |
0.23 |
0 to 0.52 |
0.25 |
0.10 to 0.45 |
Width of disruptions |
0.39 |
0.02 to 0.66 |
0.26 |
0.11 to 0.45 |
0.42 |
0.09 to 0.67 |
0.26 |
0.11 to 0.46 |
Physeal border on epiphyseal side* |
0.67 |
0.40 to 0.83 |
0.35 |
0.23 to 0.47 |
0.67 |
0.42 to 0.83 |
0.20 |
0.08 to 0.32 |
Depth of irregularities |
0 |
0 to 0.36 |
0 |
0 to 0.15 |
0 |
0 to 0.36 |
0 to 0.13 | |
Metaphysis | ||||||||
Physeal border on metaphyseal side |
0.84 |
0.69 to 0.92 |
0.60 |
0.43 to 0.75 |
0.58 |
0.28 to 0.78 |
0.43 |
0.27 to 0.61 |
Metaphyseal intrusions* |
0.85 |
0.71 to 0.93 |
0.59 |
0.47 to 0.71 |
0.71 |
0.46 to 0.86 |
0.57 |
0.44 to 0.69 |
Signal intensity intrusions |
0.75 |
0.53 to 0.87 |
0 |
0 to 0.15 |
0.73 |
0.46 to 0.87 |
0 |
0 to 0.15 |
Connection of intrusion with physis |
0.85 |
0.71 to 0.93 |
0.41 |
0.24 to 0.60 |
0.56 |
0.25 to 0.77 |
0.43 |
0.26 to 0.62 |
Depth of intrusions |
0.91 |
0.82 to 0.96 |
0.69 |
0.54 to 0.82 |
0.67 |
0.36 to 0.84 |
0.54 |
0.38 to 0.71 |
Bone marrow oedema | ||||||||
Presence* |
0 |
0 to 0.36 |
0.32 |
0.21 to 0.44 |
0 |
NA |
0.33 |
0.21 to 0.45 |
Depth |
0 |
0 to 0.36 |
0.36 |
0.20 to 0.56 |
0 |
NA |
0.28 |
0.12 to 0.49 |
Location |
0 |
NA |
0.34 |
0.18 to 0.53 |
0 |
NA |
0.34 |
0.18 to 0.54 |
Signal intensity |
0.55 |
0.22 to 0.76 |
0.51 |
0.35 to 0.69 |
0.46 |
0.10 to 0.71 |
0.43 |
0.26 to 0.61 |
Visibility on 3D WATSc |
0.43 |
0.11 to 0.68 |
0.31 |
0.16 to 0.51 |
0.23 |
0 to 0.52 |
0.34 |
0.18 to 0.53 |
Homogeneity |
0 |
0 to 0.04 |
0.34 |
0.14 to 0.58 |
0 |
0 to 0.02 |
0.15 |
0.03 to 0.34 |
Shape |
0 |
0 to 0.36 |
0.33 |
0.17 to 0.52 |
0 |
0 to 0.34 |
0.12 |
0.01 to 0.28 |
Location of widening |
0 |
NA |
0.10 |
0 to 0.28 |
0 |
0 to 0.35 |
0 |
0 to 0.14 |
Periosteal bone formation* |
0 |
NA |
0.26 |
0.14 to 0.39 |
0 |
NA |
0 |
0 to 0.09 |
Sclerosis* |
0.23 |
0 to 0.54 |
0.08 |
0 to 0.22 |
0 |
NA |
0 |
0 to 0.04 |
*Fleiss’ kappa is reported for dichotomous variables.
3D WATSc, three-dimensional water-selective cartilage scan; ICC, intraclass correlation coefficient; MC-1, first metacarpal bone; NA, not available (due to zero variance).