From: Analysis of bearing wear, whole blood and synovial fluid metal ion concentrations and histopathological findings in patients with failed ASR hip resurfacings
Granuloma present
Granuloma absent
P-value
Median total wear volume (mm3)
106.5
31.0
0.016
Range (mm3)
10…378
7…541
Median wear rate (mm3/year)
16.3
8.1
0.035
Range (mm3/year)
1.6…99.8
1.1…86.4