Table 4 Pearson correlation between implant design, time to revision, reason for revision, surface roughness and Hood score. *** p < 0.001, ** p < 0.01, * p < 0.05
Pearson correlation | Implant type (Persona® - NexGen®) | Time to revision | Reason for revision | Roughness | Hood score | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Instability | Malalignment | Patellofemoral | Stiffness | Tibial total | Femoral total | Articulating total | Backside | Overall total | ||||
Implant type (Persona® - NexGen®) | 1*** | −0.53** | 0.43* | −0.01 | 0.39 | −0.09 | −0.88*** | −0.15 | 0.01 | −0.26 | −0.16 | |
Time to revision | −0.53** | 1 | 0.09 | − 0.16 | − 0.43* | − 0.4 | 0.34 | − 0.39 | 0.26 | − 0.03 | 0.14 | |
Reason for revision | Instability | 0.43** | 0.09 | 1 | −0.36 | 0.01 | −0.51* | − 0.53** | − 0.25 | 0.2 | 0.23 | 0.26 |
Malalignment | −0.01 | −0.16 | − 0.36 | 1 | 0.16 | 0.16 | −0.04 | 0.01 | −0.22 | −0.62** | − 0.52* | |
Patellofemoral | 0.39 | −0.43* | 0.01 | 0.16 | 1 | 0.09 | −0.31 | 0.13 | −0.6** | −0.43 | − 0.63** | |
Stiffness | −0.09 | −0.4 | − 0.51* | 0.16 | 0.09 | 1 | 0.18 | 0.52* | −0.06 | 0.14 | 0.05 | |
Roughness | Tibial total | −0.88*** | 0.34 | −0.53** | −0.04 | − 0.31 | 0.18 | 1 | 0.06 | −0.11 | 0.26 | 0.1 |
Femoral total | −0.15 | −0.39 | − 0.25 | 0.01 | 0.13 | 0.52* | −0.06 | 1 | −0.07 | 0.32 | 0.16 | |
Hood score | Articulating total | 0.01 | 0.26 | 0.2 | −0.22 | −0.6** | −0.06 | − 0.11 | −0.07 | 1 | 0.32 | 0.8*** |
Backside | −0.26 | −0.03 | 0.23 | −0.62** | − 0.43 | 0.14 | 0.26 | 0.32 | 0.32 | 1 | 0.82*** | |
Overall total | −0.16 | 0.14 | 0.26 | −0.52* | −0.63** | 0.05 | 0.1 | 0.16 | 0.8*** | 0.82*** | 1 | |