Table 3.
Reasons for revision
| Overall | Metal | Ceramic | |
|---|---|---|---|
| Number | 28,772 | 22,675 | 6097 |
| Revision | 643 (2.2) | 515 (2.3) | 128 (2.1) |
| Reason | Number (%) | Number (%) | Number (%) |
|---|---|---|---|
| Leg length inequality | 8 (1.2) | 8 (1.6) | 0 (0.0) |
| Acetabular fracture | 2 (0.3) | 2 (0.4) | 0 (0.0) |
| Aseptic loosening | 71 (11) | 61 (12) | 10 (8) |
| Component fracture | 10 (1.6) | 6 (1.2) | 4 (3) |
| Femoral fracture | 25 (4) | 20 (4) | 5 (4) |
| Infection | 155 (24) | 126 (25) | 29 (23) |
| Instability | 236 (37) | 198 (38) | 38 (30) |
| Polyethylene insert wear | 26 (4) | 16 (3) | 10 (8) |
| Osteolysis | 5 (0.8) | 2 (0.4) | 3 (2) |
| Other | 32 (5) | 29 (6) | 3 (2) |
| Periprosthetic fracture | 83 (13) | 68 (13) | 15 (12) |
| Wound dehiscence | 2 (0.3) | 2 (0.4) | 0 (0.0) |
| Wound drainage | 22 (3) | 18 (4) | 4 (3) |
| Hematoma/seroma | 37 (6) | 29 (6) | 8 (6) |
| Cup malposition | 3 (0.5) | 3 (0.6) | 0 (0.0) |
| Metallosis | 2 (0.3) | 1 (0.2) | 1 (0.8) |
There may be multiple reasons for revision.