Table 3 Number of implant failures in the present series as classified according to Henderson et al. [13]
| Type of failure | Group A (n = 9) | Group B (n = 13) | Total number of complications |
|---|---|---|---|
| I (soft tissue failure) |
3/9 dislocations 2/9 wound healing problems 1/9 arthrofibrosis |
2/13 dislocations 4/13 wound healing problems 1/13 arthrofibrosis |
5 6 2 |
| II (aseptic loosening) | – | – | – |
| III (structural) | 1/9 breakage of bolt | 1/13 breakage of bolt | 2 |
| IV (infection) | 1/9 | 4/13 | 5 |
| V (tumor progression) | – | – | – |
| Total | 8 | 12 | 20 |