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Non-union characteristics.
| Non – union characteristics | Union achieved after LIPUS (n = 22) | Required revision surgery after LIPUS (n = 16) | P value |
|---|---|---|---|
| Site | |||
| Foot | 1 | 0 | 0.455 |
| Tibia/Fibula | 9 | 3 | |
| Femur | 3 | 6 | |
| Carpal bones | 1 | 1 | |
| Radius/ulna | 5 | 3 | |
| Humerus | 2 | 3 | |
| Clavicle | 1 | 0 | |
| Type of non – union | |||
| Atrophic | 13 | 14 | 0.078 |
| Hypertrophic | 9 | 2 | |
