Score | 0 | 1 | 2 | 3 | 4 |
---|---|---|---|---|---|
Intact residual cartilage | |||||
Superficial zone | 0 | 0 | 9 | 21 | 0 |
Middle zone | 0 | 5 | 14 | 11 | 0 |
Deep zone | 0 | 12 | 8 | 10 | 0 |
Non-intact residual cartilage | |||||
Deep zone | 0 | 4 | 0 | 1 | 0 |
Numbers for the three zones represent sections (30 for intact and five for non-intact residual articular cartilage from six patients) which have received a score. Scores: see table 2.