Causes | Cervico-cephalic prosthesis n | Intermediate prosthesis n | Total hip replacement n |
Femoral neck fractures | 29 | 38 | 9 |
Aseptic osteonecrosis of the femoral head | 2 | 4 | 8 |
Coxarthrosis | 1 | 2 | 4 |
Total | 32 | 44 | 21 |