TABLE 1.
Mankin Score—scoring standard of articular pathology (Supplementary Material).
| Classification | Score |
|---|---|
| Structure | |
| Normal | 0 |
| Surface damage | 1 |
| Pannus and surface damage | 2 |
| Shallow fissures formed reach moving layers | 3 |
| Locally reaching the fracture of the bone radiation layer | 4 |
| Reach the weight-bearing area of cartilage defect in the calcified layer of deep bone | 5 |
| Full-thickness cartilage defect | 6 |
| Cell | |
| Normal | 0 |
| Excessive and disordered cells | 1 |
| Cell clustering | 2 |
| Less cells | 3 |
| Safranin fast green staining normal | |
| Normal | 0 |
| Mild dyeing | 1 |
| Medium dyeing | 2 |
| Deep dyeing | 3 |
| Loss of dyeing | 4 |
| Integrity of tidal line | |
| Complete | 0 |
| Incomplete | 1 |
| Incomplete blood vessels pass through | 2 |
| Aggregate score | 0–14 |