Comparison of plasma with whole blood prothrombin time and fibrinogen on the same instrument.

Abstract

We compared plasma with whole blood (WB) international normalized ratio (INR) and fibrinogen using the same instrument and reagents. WBINRs were 50% higher than plasma INRs. After increasing the WB sample volume 40% and adjusting the International Sensitivity Index, WBINRs were similar to plasma INRs [adjusted WBINR = 0.99(plasma INR) - 0.02; r(2) = 0.98; n… (More)
DOI: 10.1309/AJCPLDT9OVX1TDGT

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