Table 8.
Prevalence of edge loading and embedded bone cement
| Parameter | Edge loading | Embedded bone cement* | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Conforming | Less conforming | Conforming | Less conforming | |||||||||
| Medial | Lateral | Both | Medial | Lateral | Both | Medial | Lateral | Both | Medial | Lateral | Both | |
| Prevalence† | 34% | 13% | 37% | 10% | 10% | 10% | 45% | 39% | 50% | 17% | 13% | 17% |
| p value‡ | 0.002 | 1 | 0.642 | 0.705 | ||||||||
| p value§ | 0.009 | 0.008 | ||||||||||
* Only components with a bone-cement interface were included; †percentage of components with a score > 0; ‡chi-square test p values comparing the medial and lateral aspects within a design group; §chi-square test p values comparing the conforming and less conforming designs using the prevalence for the whole insert (“both”).