Table 3. Radiological healing at different follow-up.
| N=26 | At three months | At six months | At 2 years | At final follow-up | P-value |
| Grade I | 4 | 10 | 22 | 21 | ꭓ=40.46 p<0.0001* |
| Grade II | 18 | 12 | 4 | 3 | |
| Grade III | 2 | 3 | 0 | 0 | |
| Grade IV | 2 | 1 | 0 | 0 |
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