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Number of revisions and causes of revision for Lubinus SPII stems with either cobalt-chromium or aluminium oxide femoral heads (infections excluded)
| Cobalt-chromium % (n) |
Aluminium oxide % (n) |
|
|---|---|---|
| Aseptic loosening | 29 (104) | 24 (9) |
| Dislocation | 61 (222) | 53 (20) |
| Fracture | 4.4 (16) | 3 (1) |
| Implant failure | 1.1 (4) | 11 (4) |
| Technical reason | 2.5 (9) | 8 (3) |
| Pain only | 1.1 (4) | 3 (1) |
| Other mechanical reason | 1.1 (4) | 0 (0) |
| Total | 100 (363) | 100 (38) |
