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Rate of radiological fusion and median time to union (25–75 percentile) according to type of bone graft
| Type of bone graft | Number of cases | Rate of complete radiological fusion | Time to union (weeks) |
|---|---|---|---|
| None | 2 | 0 | |
| Cancellous autograft | 16 | 13 (81%) | 13 (12–16) |
| Bony substitute | 8 | 6 (75%) | 13 (11–15) |
| Cancellous allograft | 2 | 2 (100%) | 13 |
| p-value | 0.07 | 0.79 |
