| Filling of the Defect | Score |
| 125% | 1 |
| 100% | 0 |
| 75% | 1 |
| 50% | 2 |
| 25% | 3 |
| 0% | 4 |
| Total | max. 4 |
| Reconstruction of the Osteochondral Junction | Score |
| Yes | 0 |
| Almost | 1 |
| not close | 2 |
| Total | max. 2 |
| Matrix Staining | Score |
| Normal | 0 |
| Reduced | 1 |
| Significantly reduced | 2 |
| Faint staining | 3 |
| None | 4 |
| Total | max. 4 |
| Cell Morphology | Score |
| Normal | 0 |
| Most hyaline and fibrocartilage | 1 |
| Mostly fibrocartilage | 2 |
| Some fibrocartilage, but non-chondrocytic cells | 3 |
| Non-chondrocytic cells only | 4 |
| Total | max. 4 |