| Graft Type | Simple Score | |||
| 0 | 1 | 2 | 3 | |
| Control | 2 (8%) | 16 (67%) | 6 (25%) | 0 (0%) |
| Graft | 0 (0%) | 0 (0%) | 0 (0%) | 24 (100%) |
| Normal | 0 (0%) | 0 (0%) | 0 (0%) | 48 (100%) |