Table 3 Differences and correlations of synovial metal ion levels in respective to ordinal histological observations
THA | Hip resurfacing | ||||
|---|---|---|---|---|---|
Chrome | Cobalt | Chrome | Cobalt | ||
Surface necrosis | Correlation | p = .3 | p = .009 Effect size: ρ = .21 | p = .014 Effect size: ρ = .511 | p = .002 Effect size: ρ = .632 |
Thickness of histiocyte sheets | Correlation | p = .2 | p = .5 | p = .2 | p = .2 |
Thickness of lymphocyte cuffs | Correlation | p = .3 | p = .4 | p = .008 Effect size: ρ = .546 | p = .001 Effect size: ρ = .640 |
Particle load | Correlation | p = .9 | p = .2 | p = .4 | p = .7 |