Table 3. Summary of evidence regarding the differences between the compared types of THR for each reported outcome (Systematic Reviews).

Conclusive evidence	Conclusive evidence	Inconclusive evidence
Difference	No difference
Cup fixation Cemented vs. Cementless [44], [46]	Cup fixation Cemented vs. Cementless [44], [46]	Cup fixation Cemented vs. Cementless [44], [46]
None	None	Harris Hip score [44], [45] Oxford Hip score [44], Revision [45], [46], [65] Implant survival [45], [46] Implant dislocation [46] Osteolysis [46], [66] Aseptic loosening [46]
Femoral head-on-cup liner bearing Different comparisons * [47], [48]	Femoral head-on-cup liner bearing Different comparisons * [47], [48]	Femoral head-on-cup liner bearing Different comparisons * [47], [48]
None	Revision [48]	Harris Hip score [47], SF-12 [47] Revision [47] Implant dislocation [47]

PE = polyethylene.

*Metal-on-Metal vs. Metal-on-PE [47].

Ceramic-on-Ceramic vs. Ceramic-on-PE [47].

Ceramic-on-PE vs. Metal-on-PE [47].

Metal-on-Metal vs. Ceramic-on-Ceramic [47].

Zirconia-on-PE vs. Non Zirconia-on-PE [48].