Table 2.
MRI evaluation of repair tissue 3 years after the combination therapy, by number and percentage
| Variables | Number (percentage) |
|---|---|
| 1. Degree of defect repair and filling of the defect | |
| Complete | 5 (62.5) |
| Hypertrophy | 1 (12.5) |
| Incomplete | |
| >50% of the adjacent cartilage | 1 (12.5) |
| <50% of the adjacent cartilage | 1 (12.5) |
| Subchondral bone exposed | 0 (0) |
| 2. Integration to border zone | |
| Complete | 6 (75.0) |
| Incomplete | |
| Demarcating border visible (split-like) | 1 (12.5) |
| Defect visible | |
| <50% of the length of the repair tissue | 1 (12.5) |
| >50% of the length of the repair tissue | 0 (0) |
| 3. Surface of the repair tissue | |
| Surface intact | 6 (75.0) |
| Surface damaged | |
| <50% of repair tissue depth | 1 (12.5) |
| >50% of repair tissue depth or total degeneration | 1 (12.5) |
| 4. Structure of the repair tissue | |
| Homogenous | 4 (50.0) |
| Inhomogenous or cleft formation | 4 (50.0) |
| 5. Signal intensity of the repair tissue | |
| Dual T2-FSE | |
| Isointense | 6 (75.0) |
| Moderately hyperintense | 1 (12.5) |
| Markedly hypointense | 1 (12.5) |
| 6. Subchondral Lamina | |
| Intact | 6 (75.0) |
| Non-intact | 2 (25.0) |
| 7. Subchondral bone | |
| Intact | 6 (75.0) |
| Non-intact | 2 (25.0) |
| 8. Adhesions | |
| No | 8 (100.0) |
| Yes | 0 (0) |
| 9. Effusion | |
| No | 8 (100.0) |
| Yes | 0 (0) |