Table 2

Characteristics of patients in whom blood metal ion levels were tested 1 year postoperative

CharacteristicStudy cohort (n = 35 patients)
TotalUnilateral BHRBilateral BHR
Gender, n (%)35 (100)29 (83)6 (17)
 Male27 (77)22 (63)5 (14)
 Female8 (23)7 (20)1 (3)
Age at surgery, mean ± SD (range), yr46.8 ± 5.5 (34–55)46.5 ± 6.1 (34–56)48.9 ± 3.9 (43–53)
 Male47.6 ± 5.0 (36–56)47.9 ± 5.4 (36–56)48.7 ± 4.3 (43–53)
 Female44.2 ± 6.5 (33–53)42.9 ± 6.6 (34–53)23.4
Body mass index at surgery, mean ± SD, kg/m227.3 ± 6.026.2 ± 3.333.1 ± 12.7
 Male28.5 ± 6.027.4 ± 2.235.5 ± 13.2
 Female22.8 ± 3.122.7 ± 3.423.4
Follow-up, mean ± SD (range), yr13.4 ± 1.0 (10–15.1)13.7 ± 0.8 (10.1–15)13.1 ± 1.3 (10–15.1)
  • BHR = Birmingham Hip Resurfacing; SD = standard deviation.