Table 2 Results of each parameter of modified O’Driscoll score (Mean, n = 5)
Tissue | Parameters | No PEMF | PEMF treated | ||
|---|---|---|---|---|---|
Group 1 | Group 2 | Group 3 | Group 4 | ||
Cartilage | Tissue morphology | 1.4 | 1.6 | 2.6c | 2.6 |
Matrix staining | 1.2 | 1.8 | 1.8 | 3.4e | |
Surface regularity | 2.2 | 2.6 | 2.4 | 2.6 | |
Structure integrity | 1.4 | 1.6 | 1.6 | 2.0 | |
Neocartilage alignment | 0.8 | 1.6 | 1.2 | 2.4e | |
Chondrocyte clustering | 1.8 | 2.0 | 1.2 | 2.0 | |
Hypocellularity | 0.8 | 2.0b | 2.0d | 3.4f | |
Degenerative changes in adjacent cartilage | 2.8 | 3.0 | 2.8 | 3.0 | |
Bonding to native cartilage | 2.0 | 2.0 | 2.0 | 2.0 | |
Cell distribution | 0.6 | 2.6a | 1.0 | 3.4f | |
Thickness of neocartilage | 1.8 | 2.0 | 1.6 | 2.0 | |
Tidemark continuity | 1.0 | 1.0 | 0.8 | 1.0 | |
Bone | Reconstruction of subchondral bone | 1.2 | 2.6a | 1.4 | 3.0f |
Bone infiltration | 1.0 | 2.0b | 1.6c | 2.0f | |
Bonding with adjacent bone | 1.2 | 2.8a | 2.8c | 3.0f | |
Subchondral bone morphology | 1.6 | 2.6a | 3.2c | 3.6f | |