Table 1.

Clinical details of all the patients from all centres in the study, divided by clinical outcome.

	Total	Asymptomatic	Failed
Total number of patients	606	430	176
Total number of hips	711	535	176
Follow up (years)	10 (1–20)	12 (3–20)	6 (1–15)
Age (range)	55 (25–85)	54 (25–78)	58 (25–85)
% male patients	66% (397:209)	74% (320:110)	44% (77:99)
Resurfacings vs THRs	468 vs 138 (77%)	43 vs 430 (90%)	46% (81:75)
% patients with bilateral prostheses	24%	24%	24%
BMI	26.6	26.7	26.3
Median (range) Co (µg/l)	2.00 (0.1–271.0)	1.50 (0.1–34.4)	7.60 (0.7–271.0)
Median (range) Cr (µg/l)	2.50 (0.2–108.4)	2.00 (0.2–18.6)	7.01 (0.7–108.4)