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Reasons for revision. Values are n (%)
| HRA | reference THA | |
|---|---|---|
| Reason for revision | n = 5,068 | n = 6,485 |
| Aseptic loosening of | ||
| both components | 215 (40) | 96 (19) |
| the cup | 53 (10) | 22 (4) |
| the stem | 18 (3) | 23 (4) |
| Infection | 17 (3) | 33 (7) |
| Dislocation | 6 (1) | 132 (26) |
| Malposition | 45 (8) | 49 (10) |
| Fracture | 49 (9) | 85 (17) |
| Implant breakage | 3 (1) | 18 (4) |
| Other reason a | 131 (24) | 49 (10) |
| All | 537 | 507 |
Including ARMD (adverse reaction to metal debris).
