Table 1 The histological scorings for the assessment of cartilage repair were carried out following Wu et al. (2021)
Histological description | Scoring |
|---|---|
Chondrocyte distribution | |
Columnar | 3 |
Mixed columnar-clusters | 2 |
Clusters | 1 |
Individual or disorganized cells | 0 |
Chondrocyte cellularity | |
A similar number of chondrocytes | 3 |
More chondrocytes | 2 |
Fewer chondrocytes | 1 |
No chondrocytes | 0 |
Joint surface regularity | |
Smooth, intact surface | 3 |
Surface fissures (< 25% new surface thickness) | 2 |
Deep fissures (25–99% new surface thickness) | 1 |
Complete disruption of the new surface | 0 |
Safranin O staining | |
Similar staining intensity | 4 |
Stronger staining intensity | 3 |
Moderate staining intensity | 2 |
Poor staining intensity | 1 |
Little or no staining intensity | 0 |