Table 1.
Brantigan grade distribution determined radiographically at different time points
| 3 months post-op | 6 months post-op | 12 months post-op | Final FU | |
|---|---|---|---|---|
| Grade 1 | ||||
| Grade 2 | 60% | 10% | ||
| Grade 3 | 40% | 20% | 3% | 1% |
| Grade 4 | 50% | 80% | 10% | |
| Grade 5 | 10% | 87% |
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