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Reproducibility of the scoring method
| Feature | Cohen kappa |
|---|---|
| Synovial hypertrophy | 0.76 |
| Cartilage lesions | 0.73 |
| Bone erosions | 0.92 |
| Bone marrow changes | 0.80 |
| Infrapatellar fat pad heterogeneitya | 0.75 |
| - Water | 0.96 |
| - Scar tissue | 0.83 |
| Effusion | 0.85 |
| Tendinopathy/internal derangement | 0.49 |
| Popliteal lymph nodesa | 0.85 |
aWeighted Cohen kappa
