Amukele et al evaluated measurement of fibrinogen on a point of care instrument using whole blood versus testing using plasma. The authors are from the University of Washington in Seattle.


Instrument: Diagnostica Stago analyzer using STA Fibrinogen reagent


whole blood fibrinogen corrected for hematocrit =

= (whole blood fibrinogen in mg/dL) / ((-0.0137 * (hematocrit in percent)) + 1.4294)



• The uncorrected and corrected whole blood fibrinogen are equal at an hematocrit of 31.4.


corresponding plasma fibrinogen in mg/dL =

= ((corrected whole blood fibrinogen) + 4.76) / 1.01 =

= (0.99 * (corrected whole blood fibrinogen)) + 4.72


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