Results: studying 31 control subjects, we have median values: factor VIII: 91.4 ± 37.2 IU / dL; IX: 115.2 ± 37.7 IU / dL; XI: 113.9 ± 18.2 IU / dL; PS: 99.6 ± 10.2 IU / dL; PC: 93.2 ± 16.0 IU / dL; ATIII: 90.2 ± 8.1 IU / dL; DD: 132.9 ± 101.0 ng / mL; APCR: 2.1 ± 0.2; Plasminogen: 111.4 ± 14.2 IU / dL; α2-antiplasmin: 89.3 ± 9.9 IU / dL; PAI-1: 0.2 ± 0.6 IU/mL.