Five commercial kits for the assay of lipoprotein(a) were investigated and two of these, the Immuno Enzyquick and Biopool TintElize, both enzyme-linked immunoassays, were studied in detail. Whilst there was a strong correlation between the results obtained using the two methods there was a significant difference between the absolute values. In view of its higher precision at low levels and robust performance, the Enzyquick kit (Immuno Ltd) was selected for use in this laboratory.
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