TABLE 2.
Group | SRµCT | Histology | SRµCT and histology | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No | No | BIC | Correct on footplate | BF | No | BIC | Correct on footplate | BF | EBF | BIC | Correct on footplate | BF | ||
1 | Titanium (Ti), no coating | 8 | 6 | 3 | 1 | 0 | 8 | 4 | 1 | 0 | 0 | 5 | 1 | 0 |
2 | Ti+collagen I+chondroitine sulfate (CS) | 9 | 6 | 4 | 1 | 1 | 9 | 5 | 1 | 0 | 5 | 4 | 2 | 1 |
3 | Ti+collagen I+CS+BMP-4 | 10 | 6 | 5 | 1 | 2 | 10 | 5 | 2 | 1 | 6 | 7 | 2 | 2 |
4 | Ti+collagen II+decorin | 10 | 6 | 4 | 0 | 3 | 10 | 6 | 1 | 1 | 6 | 6 | 1 | 3 |
5 | Ti+collagen II+decorin+TGF-β1 | 9 | 6 | 3 | 1 | 2 | 9 | 4 | 1 | 0 | 4 | 8 | 2 | 2 |
Sum | 46 | 30 | 19 | 4 | 8 | 46 | 24 | 6 | 2 | 21 | 30 | 8 | 8 |
BIC bone implant contact, BF bone formation, EBF ectopic bone formation, BMP bone morphogenic protein, SRµCT synchrotron radiation-based computed microtomography, No number, TGF-ß transforming growth factor-ß