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

Table 5

Radiographic findings for each acetabular liner articulating against Same CoCr bearing counterface.

	Group 1; (CoCr heads)	Group 2; (CoCr heads)	𝑃 values
Total	31	15
Calcar erosion	5	1	0.65
Osteolysis	4	0	0.29
Cup	1	0	1
Stem	3	0	0.54