Table 2 modified International Cartilage Repair Society (ICRS) score scale
Modified International Cartilage Repair Society (ICRS) score | |
|---|---|
Grade 0 | Normal cartilage |
Grade 1 | Focal blistering and intra-cartilaginous low- signal intensity area with an intact surface and bottom |
Grade 2 | Irregularities on the surface or bottom and loss of thickness of less than 50% |
Grade 3 | Deep ulceration with loss of thickness of more than 50% |
Grade 4 | Full-thickness cartilage wear with exposure of subchondral bone |