Table 3 MOCART scores and T2 values of the repaired cartilage
Variable’s | Score | three mo Postoperatively | one yr Postoperatively | ||
|---|---|---|---|---|---|
MFC n(%) | MTP n(%) | MFC n(%) | MTPn(%) | ||
1. Degree of defect repair and filling of the defect | |||||
Complete | 20 | 2(25) | 1(12.5) | ||
Hypertrophy | 15 | 3(37.5) | 3(37.5) | ||
Incomplete | |||||
< 50% of adjacent cartilage | 10 | 2(25) | 7(87.5) | 3(37.5) | 4(50) |
> 50% of adjacent cartilage | 5 | 6(75) | 1(12.5) | ||
Subchondral bone exposed | 0 | ||||
2. Integration to border zone | |||||
Complete | 15 | 1(12.5) | 1(12.5) | ||
Incomplete | 10 | 3(37.5) | 2(25) | 6(75) | 6(75) |
Defect visible | |||||
< 50% of the length of the repair tissue | 5 | 5(62.5) | 5(62.5) | 1(12.5) | |
> 50% of the length of the repair tissue | 0 | 1(12.5) | |||
3. Surface of the repair tissue | |||||
Surface intact | 10 | ||||
Surface damaged | |||||
< 50% of repair tissue depth or total degeneration | 5 | 8(100.0) | 7(87.5) | 8(100.0) | 8(100.0) |
> 50% of repair tissue depth or total degeneration | 0 | 1(12.5) | |||
4. Structure of the repair tissue | |||||
Homogenous | 5 | 1(12.5) | 1(12.5) | 2(25) | 2(25) |
Inhomogenous or cleft formation | 0 | 7(87.5) | 7(87.5) | 6(75) | 6(75) |
5. Signal intensity of the repair tissue | |||||
Normal | 30 | ||||
Nearly normal | 15 | 1(12.5) | 1(12.5) | 1(12.5) | 2(25) |
Abnormal | 0 | 7(87.5) | 7(87.5) | 7(87.5) | 6(75) |
6. Subchondral lamina | |||||
Intact | 5 | 3(37.5) | 3(37.5) | 6(75) | 7(87.5) |
Not intact | 0 | 5(62.5) | 5(62.5) | 2(25) | 1(12.5) |
7. Subchondral bone | |||||
Intact | 5 | 5(62.5) | 6(75) | 6(75) | 5(62.5) |
Edema | 0 | 3(37.5) | 2(25) | 2(25) | 3(37.5) |
8. Adhesions | |||||
No | 5 | 7(87.5) | 7(87.5) | 8(100.0) | 7(87.5) |
Yes | 0 | 1(12.5) | 1(12.5) | 1(12.5) | |
9. Effusion | |||||
No | 5 | 6(75) | 5(62.5) | 7(87.5) | 7(87.5) |
Yes | 0 | 2(25) | 3(37.5) | 1(12.5) | 1(12.5) |
Total | 42.8 ± 4.8 | 49.2 ± 1.8 | 69.2 ± 10.1a | 70.0 ± 9.5a | |
T2 Value | 52.7 ± 4.6 | 49.4 ± 4.0 | 51.2 ± 5.1 | 48.3 ± 3.4 | |
astatistical significance was set at p < 0.05. | |||||