Table 5 Results of the t-test comparing the previous tested implants to the Activmotion implant. Mean values were compared. All p values were greater than 0.05
Groups | Ultimate load [kN] | Medial displ. at ultimate load [mm] | Lateral displ. at ultimate load [mm] | valgus-malrotation at ultimate load (°) | Lateral stiffness at ultimate load [kN/mm] | |
|---|---|---|---|---|---|---|
TomoFix std. | Mean: | 5.3 | 1.2 | 4.7 | 2.8 | 1.1 |
SD ±: | 0.1 | 0.1 | 0.4 | 0.2 | 0.1 | |
p value: | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | |
PEEKPower | Mean: | 4.4 | 0.3 | 3.1 | 1.6 | 1.4 |
SD ±: | 0.1 | 0.3 | 0.3 | 0.1 | 0.1 | |
p value: | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | |
iBalance | Mean: | 5.5 | 0.3 | 1.9 | 0.9 | 3.1 |
SD ±: | 0.2 | 0 | 0.4 | 0.4 | 0.7 | |
p value: | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | |
TomoFix sm | Mean: | 3.4 | 0.8 | 2.1 | 1.4 | 1.7 |
SD ±: | 0.3 | 0.2 | 0.4 | 0.1 | 0.1 | |
p value: | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | |
Contour Lock | Mean: | 3.6 | 0.5 | 4.1 | 2.2 | 0.9 |
SD ±: | 0.5 | 0 | 0.2 | 0.1 | 0.1 | |
p value: | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | |