Most patients on warfarin therapy should maintain an international normalized ratio (INR)of approximately ____ times of a normal value.

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The INR reference range is 0.9 to 1.13 in persons 1 year or older,and increasing INR values correspond to increased anticoagulation.Most patients on warfarin are required to maintain INR values between 2 and 3,or 2.5 and 3.5 for oral anticoagulant therapy because of a mechanical value.

Most Patients on Warfarin Therapy Should Maintain an International Normalized