Article 5 human 5 thrombosis prevention adult 4 male 4 Anticoagulants 3 Humans 3 anticoagulant agent 3 female 3 major clinical study 3 Prospective Studies 2 Venous Thromboembolism 2 acetylsalicylic acid 2 aged 2 anticoagulant therapy 2 anticoagulation 2 comorbidity 2 coronavirus disease 2019 2 heparin 2 partial thromboplastin time 2 practice guideline 2 prospective study 2 rivaroxaban 2 thrombosis 2 venous thromboembolism 2 Adult 1 Apixaban 1 Area Under Curve 1 Arthroplasty, Replacement, Hip 1 Arthroplasty, Replacement, Knee 1