Prevention of Venous Thromboembolism in Subjects Undergoing Hip Fracture Surgery or Surgery in the Lower Extremities

Inclusion Criteria: * Subjects undergoing hip fracture surgery or patients undergoing surgery in the lower extremities other than hip fracture surgery * Written informed consent obtained before screening Exclusion Criteria: * Subject has history of deep vein thrombosis and/or pulmonary embolism * Subject has a hemorrhagic disorder and/or coagulation disorder * Subject has had clinically important bleeding occurred within 90 days prior to the screening visit * Subject has an acute bacterial endocarditis * Subject has uncontrolled severe or moderate hypertension, retinopacy, myocardial infarction or stroke * Subject is receiving anticoagulants/antiplatelet agents * Subject has a body weight less than 40 kg