Table 2 ICRS classification as described by Mainil-Varlet et al. [2]
Grade | Property |
|---|---|
1 | Superficial lesions, fissures and cracks, soft indentation |
2 | Defects that extend to less than 50% in depth |
3 | Defects that extend to more than 50% in depth |
4 | Complete loss of cartilage thickness, bone only |