The Higher Hospital Costs of Revision Total Hip Arthroplasty by Diagnosis: Analysis of Cost Drivers and Periprosthetic Joint Infection Treatment Pathways

Median costs of rTHA for dislocation, loosening, periprosthetic fracture and PJI were associated with a 1.5, 1.9, 2.1 and 2.6-fold higher cost relative to pTHA per EoC, respectively. Ongoing surgical treatment and readmission for PJI lead to complex treatment pathways and increased costs.