DUS Doppler ultrasonography, CVC central venous catheter, DVT deep vein thrombosis, FUT fibrinogen uptake test, GCS graduated compression stockings, HFS hip fracture surgery, HIT heparin-induced thrombocytopenia, INR international normalized ratio, IPC intermittent pneumatic compression, IVCF inferior vena cava filter, LDUH low dose unfractionated heparin, LMWH low molecular weight heparin, PE pulmonary embolism, SC subcutaneous, SCI spinal cord injury, THR total hip replacement, TKA total knee arthroplasty, VFP venous foot pump, VKA vitamin K antagonist, VTE venous thromboembolism