. Author manuscript; available in PMC: 2023 Jun 15.

Published in final edited form as: J Bone Joint Surg Am. 2022 Apr 22;104(12):1068–1080. doi: 10.2106/JBJS.21.01171

TABLE IV.

Dislocation Risk After Revision THA Based on Which Component(s) Were Revised^*

	Cup Not Revised (N = 2953)	Cup Revised but Not Stem (N = 2232)	Cup and Stem Revised (N = 2186)
Univariable
Hazard ratio (95% CI)	Reference	0.62 (0.52-0.73)	0.58 (0.49-0.69)
Wald p value	Reference	<0.001	<0.0001
Multivariable^*
Hazard ratio (95% CI)	Reference	0.58 (0.48-0.70)	0.59 (0.49-0.71)
Wald p value	Reference	<0.001	<0.0001

Adjusted for age, sex, body mass index, neurologic disease, spine disease, previous spine procedure, underlying diagnosis, indication for revision, liner configuration, operative approach, and head diameter.

THA = total hip arthroplasty, and CI = confidence interval.