Table 4 Intra-observer reliability for reading of MRI BLOKS features (weighted kappa)
From: The Intensive Diet and Exercise for Arthritis (IDEA) trial: design and rationale
BLOKS feature | Reliability (weighted kappa) |
|---|---|
BML size | 0.72 |
BML % area | 0.67 |
% of lesion BML | 0.79 |
Cartilage 1 morphology | 0.95 |
Cartilage 2 | 0.93 |
Osteophyte | 0.74 |
Synovitis | 0.66 |
Effusion | 0.77 |
Meniscal extrusion | 0.95 |
Meniscus tear/cysts | 0.99 |