Table 1 Pineda histologic score for cartilage repair [20]
Filling of defect (%) | |
 125 | 1 |
 100 | 0 |
 75 | 1 |
 50 | 2 |
 25 | 3 |
 0 | 4 |
Reconstruction of osteochondral junction | |
 Yes | 0 |
 Almost | 1 |
 Not close | 2 |
Matrix staining | |
 Normal | 0 |
 Reduced staining | 1 |
 Significantly reduced staining | 2 |
 Faint staining | 3 |
 No staining | 4 |
Cell morphology | |
 Normal | 0 |
 Mostly hyaline and fibrocartilage | 1 |
 Mostly fibrocartilage | 2 |
 Some fibrocartilage, but mostly |  |
 Non-chondrocytic cells | 3 |
 Non-chondrocytic cells only | 4 |