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

Table 7

Reported clinical complications for the seventy-seven THR considered in this study.

	Group 1	Group 2
	(CoCr heads)	(CoCr heads)	(Al2O3 heads)
Total	31	15	31
Total complications	2	3	3
Dislocation	1	2	2
Infection	0	1	0
Symptomatic DVT & PE	0	0	0
Major/minor bleeding	0	0	0
Heterotopic ossification	1 (grade 2)	0	1
Revisions	1; (recurrent dislocation)	1; (recurrent dislocation)	0