Treatment group | No. assessed manually for fusion | Fused | Fusion rate (%) | |
---|---|---|---|---|
Group I | Carrier alone | 11 | 2 | 18.2 |
Group II | 1 μg rhBMP-2 | 12 | 4 | 33.3 |
Group III | Carrier + PTH | 12 | 8 | 66.7* |
Group IV | 1 μg rhBMP-2 + PTH | 11 | 7 | 63.6* |
Group V | 10 μg rhBMP-2 | 11 | 9 | 81.8* |
Group VI | 10 μg rhBMP-2 + PTH | 11 | 9 | 81.8* |