Table 1.
Indications for revision TKA in our cohort
| Cause for revision | Time from index to revision | |
|---|---|---|
| Less than 2 years (%) | Greater than 2 years (%) | |
| Aseptic loosening | 10 (2.9) | 42 (12.0) |
| Wear | 3 (0.9) | 40 (11.5) |
| Instability | 15 (4.3) | 12 (3.4) |
| Infection | 40 (11.5) | 74 (21.2) |
| Fracture | 6 (1.7) | 23 (6.6) |
| Patella | 10 (2.9) | 5 (1.4) |
| Conversion of unicompartmental replacement | 4 (1.1) | 25 (7.1) |
| Malalignment | 13 (3.7) | 10 (2.9) |
| Component failure | 1 (0.3) | 2 (0.6) |
| Extensor mechanism failure | 2 (0.6) | 3 (0.9) |
| Stiffness | 8 (2.3) | 1 (0.2) |
| Total | 112 | 237 |