Conclusion
UKA
After 5-year follow-up, all three femoral component groups showed low femoral component translations and rotations indicating good fixation in all groups, which is emphasized by no midterm revisions for femoral component loosening. Patients generally improved both their KOOS and SF-36 score.At midterm follow-up, fixation of cemented and cementless twin-peg Oxford UKA femoral components was not superior to the cemented single-peg design. Femoral component fixation had no dependency on peri-prosthetic bone mineral density changes, but lower femoral component flexion angle was correlated with a higher component migration.