Table 4 Reasons of failures
Indication for revision | Procedure | Case numbers | Average year after primary operation |
|---|---|---|---|
OA group | Â | 24/266 (9.0%) | 6.07 |
Implant loosening | TKA | 9 (37.5%) | 5.26 |
OA progression | TKA | 6 (25.0%) | 6.25 |
Insert wear | TKA | 5 (20.9%) | 8.12 |
Infection | Two-stage exchange arthroplasty into TKA | 2 (8.3%) | 9.38 |
Periprosthetic fracture | TKA with tibial stem | 2 (8.3%) | 0.75 |
ON group | Â | 8/71 (11.3%) | 3.21 |
Implant loosening | TKA | 2 (25.0%) | 0.96 |
OA progression | TKA | 1 (12.5%) | 1.25 |
Insert wear | TKA | 2 (25.0%) | 9.80 |
Infection | Two-stage exchange arthroplasty into TKA | 2 (25.0%) | 1.38 |
Periprosthetic fracture | TKA with tibial stem | 1 (12.5%) | 0.17 |