1. | polyethylene wear at 1, 3, 5 and 7 years postoperatively |
2. | relative decrease/increase in acetabular bone mineral density (BMD) at 1 and 2 years postoperatively |
3. | acetabular and proximal femoral osteolytic changes at 1, 3, 5, 7 and 10 years postoperatively |
4. | patient-reported functional outcome (HOOS and SQUASH) at 6 weeks and at 1, 3, 5, 7 and 10 years postoperatively |
5. | physician-reported functional outcome (Harris Hip Score) at 6 weeks and at 1, 3, 5 and 10 years postoperatively |
6. | survival (number of revisions) determined at 5 and 10 years postoperatively |