Table 2: Influence of benzamidine.

Attribute

With benzamidine

Without benzamidine

OD of D1
(2.3 mU FXI/mL)

1.213

1.148

Blank

0.059

0.061

Blank to D1 ratio (%)

4.9

5.3

Slope

0.9642

0.9303

Correlation coefficient r

0.9997

0.9995

RTE

5.9

8.3

OD/mU FXI

0.565

0.558

GGL (FXI in U/mL)

0.068

0.067

Remarks: Dilution buffer was used with 2 mM and without benzamidine. Slope and correlation coefficient are shown for the log-log regression curve calculated between the blank-corrected ODs and the FXI concentrations ranging from 0.07 to 2.3 mU FXI/mL.