Table 3.
Complications related to the revision prosthesis at two years.
| CCK group | RHK group | P value | |
|---|---|---|---|
| Complicationa | 4/33 (12.1%) | 12/30 (40%) | 0.04 |
| Type of complicationb | |||
| Acute PJI | 2 | 1 | n.s. |
| Aseptic loosening | 0 | 3 | n.s. |
| Septic loosening | 0 | 1 | n.s. |
| Extensor mechanism | 0 | 6 | 0.04 |
| Stiffness | 2 | 1 | n.s. |
| Femorotibial instability | 0 | 1 | n.s. |
| Re-interventionb | |||
| DAIR | 2 | 1 | n.s. |
| Arthrolysis | 2 | 2 | n.s. |
| Extensor mechanism intervention | 0 | 2 | n.s. |
| Re-revision with change of implant | 0 | 6 | 0.008 |
| Total | 4 (12.1%) | 11 (36.7%) | 0.04 |
a
Data are presented as number of patients (proportion).
b
Complications are presented in number of occurrences. Two patients of RHK group had several consecutive complications.
PJI: prosthetic joint infection; DAIR: debridement, antibiotics, and implant retention.