Relative risk of VTE

http://www.vasculardiseasemanagement.com/content/management-venous-disease-patients-thrombophilia

http://www.med.illinois.edu/hematology/ptprothrombin.htm

Factor V Leiden (homozygous)> post partum> hospitalization/immobilization> antiphospholipid antibody, antithrombin deficiency> Factor V Leiden (heterozygous)> pregnancy, Protein C deficiency, Protein S deficiency> prothrombin gene mutation> hyperhomocysteinemia

venous thromboembolism

http://atvb.ahajournals.org/content/28/3.toc