Table 4 Comparison of median blood metal levels and percentage of patients with high metal levels and ARMS in studies with MoM bearings of similar head size (36–38 mm)

Matharu et al. [22]

WB

Co 2.06 (0.83–3.71)^a

Cr 1.25 (0.83–2.03)^a

8.7

2.9

Lainala et al. [23]

WB mono

Co 1.5 (0.7–4.0)^a

Cr 1.1 (0.7–1.7)^a

13.9

9.8

WB bil

Co 5.0 (1.6–8.9)^a

Cr 1.9 (1.1–3.3)^a

Langton et al. [24]

WB mono

Co 3.62 (0.86–19.7)^b

Cr 3.62 (0.88–26.2)^b

–

19.9

WB bil

Co 9.54 (1.42–27.0)^b

Cr 9.72 (0.47–26.3)^b

Atrey et al. [25]

WB

Co 2.9 (0.2–82.3)^b

Cr 2.1 (0.2–35.3)^b

21

2.6

Umar et al. [26]

S

Co 4.3

Cr 6.8

18

3

This study

WB mono

Co 1.9 (0.1–19.7)^b

Cr 1.0 (0.1–9.2)^b

16.7

3.8

WB bil

Co 4.7 (3.2–39.5)^b

Cr 3.1 (1.7–20.2)^b