Effect of TFPI antibody on plasma thrombin generation in control and patient plasmas. Results are grouped as follows: commercial plasma (A), severe hemophilia (B), and mild hemophilia (C). Plasmas were incubated without TFPI antibody (solid red lines), with TFPI antibody (dashed red lines), with PS antibody (solid blue lines), and with TFPI + PS antibodies (dashed blue lines).