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Table 3 Whole blood metal ion concentrations at 5-years follow up

From: Harris Hip Score and SF-36 following metal-on-metal total hip arthroplasty and hip resurfacing - a randomized controlled trial with 5-years follow up including 75 patients

   Total (1st – 3rd quartile) MoM-LDH-THA (1st – 3rd quartile) MoM-HR (1st – 3rd quartile) p-value
Median whole blood metal ion concentrations (μg/L) Chromium 1.35 (0.96–3.11)
n = 45
1.36 (0.99–3.11)
n = 25
1.21 (0.88–3.03)
n = 20
0.46
Cobalt 1.11 (0.69–2.15)
n = 45
1.67 (0.86–2.31)
n = 25
0.92 (0.64–1.49)
n = 20
0.073