Table 4.

Components exchanged or removed due to dislocation or loosening of the Lubinus SPII

	Dislocation				Loosening
	ALT		Posterior		ALT		Posterior
	n	%	n	%	n	%	n	%
Stem	2	3	13	4	28	24	93	20
Stem and cup	11	14	20	5	50	43	231	49
Cup	37	47	137	37	34	29	139	30
Extraction	1	1	14	4	3	3	6	1
Other	28	35	186	50	1	1	1	0
Total	79	100	370	100	116	100	470	100