Table 3.
Failure by diagnosis
| Initial revision diagnosis | N (%) | Second revision diagnosis | N (%) | Time to failure in months (range) |
|---|---|---|---|---|
| Aseptic loosening | 74 (15%) | 54.1 (1.7–190.3) | ||
| Aseptic loosening | 31 (43%) | |||
| Instability | 20 (27%) | |||
| Osteolysis/wear | 12 (16%) | |||
| Miscellaneous | 6 (7%) | |||
| Infection | 4 (5%) | |||
| Periprosthetic fracture | 1 (1%) | |||
| Instability | 21 (12%) | 34.5 (1–129.6) | ||
| Instability | 12 (57%) | |||
| Aseptic loosening | 3 (14%) | |||
| Infection | 2 (10%) | |||
| Osteolysis/wear | 2 (10%) | |||
| Implant fracture | 2 (10%) | |||
| Osteolysis/wear | 16 (9%) | 29.9 (0.7–117.6) | ||
| Instability | 7 (44%) | |||
| Implant fracture | 2 (12.5%) | |||
| Infection | 2 (12.5%) | |||
| Osteolysis/wear | 2 (12.5%) | |||
| Aseptic loosening | 1 (6%) | |||
| Failed bipolar | 1 (6%) | |||
| Periprosthetic fracture | 1 (6%) | |||
| Deep periprosthetic infection | 13 (11%) | 37.7 (0.5–145.1) | ||
| Infection | 6 (38%) | |||
| Instability | 5 (36%) | |||
| Aseptic loosening | 1 (8%) | |||
| Periprosthetic fracture | 1 (8%) | |||
| Periprosthetic fracture | 9 (14%) | 13.2 (0.3–49.4) | ||
| Aseptic loosening | 3 (33.3%) | |||
| Infection | 3 (33.3%) | |||
| Instability | 3 (33.3%) | |||