 5. Risk of DVT including family history of thrombophilia, DVT, pulmonary emboli, myeloproliferative diseases including polycythemia Hb18 gdL or thrombocytosis platelets400x103mL, and connective tissue diseases positive lupus anticoagulant, hyperhomocystinemia, deficiencies of factor V Leiden, proteins S and C, and antithrombine III 