Table 1.
Raw data composition of etiologies of revision knee arthroplasty.
| Etiology | Raw data, N (%) | Final data after secondary analysis, N (%) |
|---|---|---|
| Arthrofibrosis | 36 (1.2) | 125 (4.2) |
| Extensor mechanism failure | 10 (0.3) | 52 (1.7) |
| Fracture | 42 (1.4) | 49 (1.6) |
| Infection | 984 (32.5) | 1000 (33.2) |
| Instability | 270 (8.9) | 482 (16.0) |
| Aseptic loosening | 783 (25.9) | 1055 (35.1) |
| Mechanical failure | 789 (26.1) | 29 (1.0) |
| Miscellaneous | 3 (0.1) | 17 (0.6) |
| Unicompartmental arthroplasty converted to full TKA | 8 (0.3) | 81 (2.7) |
| Wear | 82 (2.7) | 94 (3.1) |
| Wound dehiscence | 17 (0.6) | 25 (0.8) |
| Total | 3024 | 3009 |