Table 1 Intra- and inter-observer · reliability
Weighted kappa | Standard error | 95 % confidence interval | Weighted kappa | Standard error | 95 % confidence interval | ||||
|---|---|---|---|---|---|---|---|---|---|
Lower | Upper | Lower | Upper | ||||||
Intra-observer reliability | Inter-observer reliability | ||||||||
Cartilage area involvement (0–3) | Whole knee | 0.87 | 0.054 | 0.76 | 0.97 | 0.89 | 0.053 | 0.78 | 0.99 |
Medial TFJ | 0.84 | 0.092 | 0.66 | 1.00 | 0.87 | 0.090 | 0.69 | 1.00 | |
Lateral TFJ | 0.89 | 0.092 | 0.71 | 1.00 | 0.96 | 0.093 | 0.78 | 1.00 | |
PFJ | 0.86 | 0.094 | 0.68 | 1.00 | 0.82 | 0.094 | 0.64 | 1.00 | |
Cartilage % of subregion affected by full thickness damage (0–3) | Whole knee | 0.78 | 0.056 | 0.67 | 0.89 | 0.86 | 0.055 | 0.75 | 0.96 |
Medial TFJ | 0.73 | 0.091 | 0.56 | 0.91 | 0.84 | 0.095 | 0.65 | 1.00 | |
Lateral TFJ | 0.73 | 0.096 | 0.54 | 0.92 | 0.79 | 0.093 | 0.61 | 0.97 | |
PFJ | 0.85 | 0.101 | 0.65 | 1.00 | 0.92 | 0.100 | 0.73 | 1.00 | |
BML size (0–3) | Whole knee | 0.87 | 0.050 | 0.77 | 0.97 | 0.90 | 0.050 | 0.80 | 1.00 |
Medial TFJ | 0.84 | 0.081 | 0.68 | 1.00 | 0.90 | 0.082 | 0.74 | 1.00 | |
Lateral TFJ | 0.90 | 0.087 | 0.73 | 1.00 | 0.90 | 0.086 | 0.73 | 1.00 | |
PFJ | 0.87 | 0.093 | 0.69 | 1.00 | 0.89 | 0.092 | 0.71 | 1.00 | |
Meniscus Morphology (0–8) | Whole knee | 0.97 | 0.085 | 0.81 | 1.00 | 0.99 | 0.085 | 0.82 | 1.00 |
Medial TFJ | 0.97 | 0.112 | 0.74 | 1.00 | 1.00 | 0.120 | 0.76 | 1.00 | |
Lateral TFJ | 0.97 | 0.121 | 0.73 | 1.00 | 0.97 | 0.121 | 0.73 | 1.00 | |
Meniscus Extrusiona(0–3) | Medial | 0.83 | 0.226 | 0.38 | 1.00 | 0.58 | 0.208 | 0.17 | 0.99 |
Lateral | 0.88 | 0.228 | 0.44 | 1.00 | 0.76 | 0.222 | 0.32 | 1.00 | |
Hoffa-Synovitis (0–3) | 0.68 | 0.157 | 0.38 | 0.99 | 0.68 | 0.157 | 0.38 | 0.99 | |
Effusion-Synovitis (0–3) | 0.95 | 0.174 | 0.61 | 1.00 | 0.91 | 0.171 | 0.57 | 1.00 | |