A patient with a COPD exacerbation is treated with prednisone 40 mg daily for one week with improvement. To discontinue the prednisone, the most appropriate procedure would be which of the following?

A 59-year-old patient with a diagnosis of deep vein thrombosis is anticoagulated with enoxaparin 1 mg/kg every 12 hours and warfarin 5 mg daily. On the third day of therapy, his INR
= 2.2. The patient is symptomatically improved. Which of the following is the most appropriate management of this patient?