EPO and post-thrombotic syndrome: LMWH, low molecular weight heparin); VKAs, vitamin K antagonist; VTE, venous thromboembolism; IQR, interquartile range; PE, pulmonary embolism; DVT, deep vein thrombosis; MM, multiple myeloma; EPO, erythropoietin; Hb, hemoglobin; IDDVT, isolated distal deep vein thrombosis; DOAC, direct-acting oral anticoagulants; US, United States; PDVT, proximal deep vein thrombosis; PTS, post-thrombotic syndrome; VPM, Vienna Prediction Model; C-PTP, clinical pretest probability of pulmonary embolism; RI, renal impairment; CrCl, creatinine clearance; OAC, oral anticoagulant.