Research Article
Exosomes from Kartogenin-Pretreated Infrapatellar Fat Pad Mesenchymal Stem Cells Enhance Chondrocyte Anabolism and Articular Cartilage Regeneration
Table 1
International Cartilage Repair Society macroscopic evaluation of cartilage repair.
| Categories | Score |
| Degree of defect repair | | In level with surrounding cartilage | 4 | 75% repair of defect depth | 3 | 50% repair of defect depth | 2 | 25% repair of defect depth | 1 | No repair of defect depth | 0 | Integration to border zone | | Complete integration with surrounding cartilage | 4 | Demarcation | 3 | Three-quarters of graft integrated, one-quarter with a notable in width | 2 | One-half of graft integrated with surrounding cartilage, one-half with a notable | 1 | From no contact to one-quarter of graft integrated with surrounding cartilage | 0 | Macroscopic appearance | | Intact smooth surface | 4 | Fibrillated surface | 3 | Small, scattered fissures or cracks | 2 | Several small or few large fissures | 1 | Total degeneration of grafted area | 0 | Overall repair assessment | | Grade I: normal | 12 | Grade II: nearly normal | 8–11 | Grade III: abnormal | 4–7 | Grade IV: severely abnormal | 0–3 |
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