Comparison of Conventional Polyethylene Wear and Signs of Cup Failure in Two Similar Total Hip Designs

Table 6

Radiographic results for each acetabular liner articulating against different femoral head material.

	Group 1; (CoCr heads)	Group 2; (Al2O3 heads)	𝑃 values
Total	31	31
Calcar erosion	5	0	0.05
Osteolysis	4	0	0.11
Cup	1	0	1
Stem	3	0	0.24