Co concentration in µg/L in serum/whole blood for MoM LH-THA or HRA vs. MoM SH-THA in epidemiological studies.

Values of the given studies were reported, if they fitted to the fixeds timeframes; if several measurements fitted to one timeframe, those values.were reported being nearest to the timeframes given above; e. g. values were reported 3 months and 5 months postoperative > values 5 months.postoperatively are shown in this table.*Median; n.**Median; range; n.***Mean; n.2 metal ion measurement at mean 73 months postoperatively.3 metal ion measurement mean 5 years postoperatively.