Table 2.
Weighted kappa and CI for inter- and intra-reader reliability
| Inter-reader1 | Intra-reader1 | |
|---|---|---|
|
Cartilage I |
0.59 (0.31;0.87) |
0.81 (0.71;0.91) |
|
Cartilage II |
0.71 (0.42;1.00) |
0.75 (0.62;0.88) |
|
Bone Marrow Lesions |
- |
- |
| Size score |
0.65 (0.47;0.83) |
0.66 (0.56;0.76) |
| Percentage BML score |
0.72 (0.50;0.94) |
0.76 (0.64;0.88) |
| Adjacency score |
0.70 (0.48;0.92) |
0.78 (0.66;0.90) |
|
Osteophytes |
0.71 (0.48;0.94) |
0.81 (0.82;0.90) |
|
Effusion |
0.51 (0.21;0.81) |
0.72 (0.61;0.83) |
|
Synovitis (whole knee) |
0.66 (0.42;0.90) |
0.70 (0.60;0.80) |
|
Synovitis (subscale) |
0.61 (0.27;0.95) |
0.58 (0.41;0.75) |
|
Meniscal Extrusion |
0.63 (0.38;0.88) |
0.67 (0.55;0.79) |
|
Meniscal Signal |
0.80 (0.54;1.00) |
0.80 (0.67;0.93) |
| Meniscal Tear | 0.70 (0.38;1.00) | 0.90 (0.80;1.00) |
1 Validated on 20 patients consecutively selected according to protocol.