Sex differences in the morphological failure patterns following hip resurfacing arthroplasty

Table 5 Osteonecrosis in retrieved hip resurfacing arthroplasty

	OR	95% CI for OR		Significance
		Lower	Upper	(P-value)
Sex (female)	0.507	0.201	1.280	0.151
Size of the Femoral Component	0.978	0.883	1.084	0.676
Adjusted for Sex, Age, Size of the Femoral Component, and Clinical Diagnosis
Sex (female)	0.159	0.040	0.634	0.009
Age	1.010	0.952	1.072	0.738
Size of the Femoral Component	0.867	0.748	1.004	0.057
Clinical Diagnosis				0.579
Osteonecrosis vs. OA^a	0.255	0.050	1.295	0.099
Rheumatoid Arthritis vs. OA^a	1.352	0.129	14.135	0.801
Posttraumatic Arthritis vs. OA^a	n.e.^b	-	-	-
Hip Dysplasia vs. OA^a	n.e^.b	-	-	-

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