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PSA Standardization



Effect on "Watchful Waiting"

Slide 31

October 2009

Lowering that cutoff allows the curves to be superimposed, and a positive result to occur at the same time point regardless of whether a Hybritech or WHO assay is used.  Obviously this is a very generic representation of the clinical impact but is a concrete illustration of the analytical differences.

Watchful Waiting

 


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