Table 3.
Yamakado interface morphological grade (n = 7).
| Group 1 | Group 2 | Group 3 | Group 4 | |
|---|---|---|---|---|
| Direct type of insertion | 0 | 0 | 0 | 4 |
| Collagen fiber continuity | 2 | 3 | 3 | 5 |
| Interface without collagen fiber continuity | 3 | 2 | 2 | 0 |
| Separation between the bone and tendon | 3 | 1 | 1 | 0 |
Note: Group 1: control; Group 2: HAAM; Group 3: HAAM+hAMSCs; Group 4: HAAM+FGF-2-induced hAMSCs.