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Table 2 Outcomes and complications in the two groups with ceramic-on-ceramic

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 = 23) Control group (n = 25) P-value
Preoperative HHS 55.7 (49–63) 55.9 (34–68) 0.773
Postoperative HHS 95.1 (91–100) 94.2 (88–100) 0.202
Acetabular component    
Inclination 38.6 (32–44) 37.8 (33–45) 0.430
Anteversion 18.1 (13–25) 17.4 (10–27) 0.386
Femoral head (mm)    0.585
 28 11 10  
 32 12 15  
Squeaking phenomenon 5 4 0.719
Osteolysis or radiolucencies 4 0 0.022
liner wear rate (um/yr) 20.3 (15.1–27.8) 18.9 (14.2–26.7) 0.295
  1. HHS Harris Hip Score