| BLOKS feature | Reliability (weighted kappa (95% CI)) |
| BML size | 0.72 (0.58–0.87) |
| BML percentage area | 0.69 (0.55–0.82) |
| Percentage of lesion BML | 0.72 (0.58–0.87) |
| Cartilage 1 | 0.72 (0.59–0.85) |
| Cartilage 2 | 0.73 (0.60–0.85) |
| Osteophyte | 0.65 (0.52–0.77) |
| Synovitis | 0.62 (0.05–1.00) |
| Effusion | 0.61 (0.05–0.85) |
| Meniscal extrusion | 0.51 (0.24–0.78) |
| Meniscal signal | 0.68 (0.44–0.93) |
| Meniscus tear | 0.79 (0.40–1.00) |