Multiple myeloma

What are the risk factors for deep venous thrombosis prophylaxis for multiple myeloma?

BMI greater than 30, prior history of venous or arterial thromboembolism, underlying stroke history,
major comorbidities including diabetes coronary artery disease chronic kidney disease paralysis prior
surgery, concurrent EPO use, history of clotting disorder, if 0 or 1 risk factors then use baby aspirin
If 2 or more risk factor then low molecular weight heparin or Coumadin preferred