A 67-year-old man is admitted after a total hip arthroplasty. He has no contraindications to anticoagulation. According to evidence-based venous thromboembolism prevention, which option is most appropriate for postoperative prophylaxis?ALow-dose aspirin alone starting 24 hours after surgeryBGraduated compression stockings onlyCLow-molecular-weight heparin at prophylactic dose for at least 10-14 daysDNo prophylaxis is needed once he is ambulatingEFull-dose therapeutic low-molecular-weight heparin for 3 monthsCheck my answer