Table 3.
Cause for rerevision | Type of implant | |||||
---|---|---|---|---|---|---|
PS | CCK | RH | ||||
Number of cases | Mean time to rerevision (months) | Number of cases | Mean time to rerevision (months) | Number of cases | Mean time to rerevision (months) | |
Aseptic loosening | 2 | 96.5 | 1 | 72 | 2 | 65.5 |
Instability | 3 | 58 | 3 | 87.3 | ||
Infection | 2 | 77 | 6 | 66.8 | 2 | 71.5 |
Fracture | 2 | 65.5 | 1 | 72 | ||
Patella | 3 | 87.3 | ||||
Extensor mechanism failure | 2 | 59.5 | ||||
Stiffness | 3 | 40.7 |
PS = posterior stabilized; CCK = condylar constrained knee; RH = rotating hinge.