Fig. 1. Coagulation tests after hemodilution with hydroxyethyl starch (HES) 70 (diamonds) and HES200 (squares) before (0) and up to 24 h after HES infusion. (A ) Fibrinogen; (B ) platelets; (C ) factor VIII (FVIII); (D ) antigenetic von Willebrand factor (vWF:Ag); (E ) functional von Willebrand factor (vWF:Rco); (F ) prothrombin time (PT); (G ) activated partial thromboplastin time (aPTT). P values (P HES) indicate the difference between HES70 and HES200.