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Various implant combinations used during the study period
| Implant | Osteonecrosis (n = 30) | Primary osteoarthritis (n = 82) |
|---|---|---|
| Cup design | ||
| Weber | 4* | 8* |
| APR | 8 | 24 |
| Interop | 10 | 18 |
| Converge | 8 | 32 |
| Stem type | ||
| APR | 30 (2*) | 82 (10*) |
* Cemented fixation; APR = anatomic porous replacement.
