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Table 3 Outcomes and complications in the two groups with ceramic-on-polymer

From: Total hip arthroplasty following failure of tantalum rod implantation for osteonecrosis of the femoral head with 5- to 10-year follow-up

Variable Tantalum rod group (n = 16) Control group (n = 15) P-value
Preoperative HHS 54.4 (38–63) 55.8 (47–65) 0.949
Postoperative HHS 95.3 (88–100) 94.3 (83–98) 0.328
Acetabular component (°)
Inclination 37.2 (31–43) 38.4 (32–48) 0.347
Anteversion 19.2 (14–28) 17.6 (11–26) 0.163
Femoral head (mm)    0.200
 28 7 10  
 32 9 5  
Osteolysis or radiolucencies 2 1 1.000
liner wear rate (μm/yr) 68.9 (34.5–89.6) 56.5 (23.5–102.7) 0.155
  1. HHS Harris Hip Score