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Table 3 Results of correlation analysis

From: Metal ion levels in large-diameter total hip and resurfacing hip arthroplasty-Preliminary results of a prospective five year study after two years of follow-up

ASR Resurfacing

Ā Ā Ā Ā 

Follow-up: 1ā€‰year

Cr

Co

Inclination

Arc of cover

Co

Spearmen: ,855; pā€‰=ā€‰0,007

Ā 

Spearmen: -,229; pā€‰=ā€‰0,586

Spearmen: ,229; pā€‰=ā€‰0,586

Cr

Ā 

Spearmen: ,855; pā€‰=ā€‰0,007

Spearmen: -,048; pā€‰=ā€‰0,911

Spearmen: ,048; pā€‰=ā€‰0,911

Follow-up: 2ā€‰years

Cr

Co

Inclination

Arc of cover

Co

Spearmen: ,695; pā€‰=ā€‰0,056

Ā 

Spearmen: -,530; pā€‰=ā€‰0,177

Spearmen: ,539; pā€‰=ā€‰0,168

Cr

Ā 

Spearmen: ,695; pā€‰=ā€‰0,056

Spearmen: -,778; pā€‰=ā€‰0,023

Spearmen: ,476; pā€‰=ā€‰0,233

ASR XL Head

Ā Ā Ā Ā 

Follow-up: 1ā€‰year

Cr

Co

Inclination

Arc of cover

Co

Spearmen: ,819; pā€‰<ā€‰0,001

Ā 

Spearmen: ,192; pā€‰=ā€‰0,357

Spearmen: -,176; pā€‰=ā€‰0,389

Cr

Ā 

Spearmen: ,819; pā€‰<ā€‰0,001

Spearmen: ,103; pā€‰=ā€‰0,623

Spearmen: -,107; pā€‰=ā€‰0,601

Follow-up: 2ā€‰years

Cr

Co

Inclination

Arc of cover

Co

Spearmen: ,805; pā€‰<ā€‰0,001

Ā 

Spearmen: ,240; pā€‰=ā€‰0,201

Spearmen: -,326; pā€‰=ā€‰0,073

Cr

Ā 

Spearmen: ,805; pā€‰<ā€‰0,001

Spearmen: ,234; pā€‰=ā€‰0,213

Spearmen: -,258; pā€‰=ā€‰0,161

  1. Spearmen's correlation coefficient was calculated to determine correlations between metal ion concentration, inclination and arc of cover at, one and two years postoperatively.