Table 2.
Modified O'Driscoll histological evaluation of cartilage repair at 12 weeks.
| Category | Untreated |
HAMA |
AHAMA |
|||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Cellular morphology | 0.50 | 0.87 | 0.80 | 0.98 | 2.25 | 1.56 |
| Safranin-O staining of the matrix | 1.00 | 0.71 | 1.00 | 1.10 | 2.13 | 1.17 |
| Surface regularity | 1.75 | 0.83 | 1.80 | 0.75 | 2.25 | 1.09 |
| Structural integrity | 0.75 | 0.43 | 1.20 | 0.40 | 1.63 | 0.48 |
| Thickness | 1.50 | 0.50 | 1.60 | 0.49 | 1.75 | 0.43 |
| Bonding to the adjacent cartilage | 1.75 | 0.43 | 1.60 | 0.80 | 2.00 | 0.00 |
| Hypocellularity | 2.25 | 0.43 | 2.80 | 0.40 | 3.00 | 0.00 |
| Chondrocyte clustering | 0.00 | 0.00 | 0.20 | 0.40 | 0.88 | 0.78 |
| Adjacent cartilage degenerative joint disease | 2.00 | 0.71 | 1.20 | 0.40 | 2.38 | 0.48 |
| Total | 11.50 | – | 12.20 | – | 18.25 | – |