| Norway |  |  | Sweden |  |  |  |
---|---|---|---|---|---|---|---|
 | n | (%) | Operation/patient | n | (%) | Operation/patient | p-value |
Soft tissue surgery | 36 | (55.4) | 1.3 | 28 | (44.4) | 1.8 | 0.130 |
Femur osteotomy | 13 | (20.0) | 1.2 | 29 | (46.0) | 1.4 | 0.002 |
Pelvic osteotomy | 12 | (15.6) | 1.2 | 6 | (9.5) | 1.0 | 0.147 |
Femoral head resection | 4 | (6.2) | 1.0 | 0 | (0.0) | Â | 0.119 |
Total operations | 65 | (100.0) | Â | 63 | (100.0) | Â | Â |