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Distribution of INR readings and all recorded INR values from October 2009 to October 2010 in patients with AF, DVT, or PE taking warfarin: Dark blue indicates INR values out of the low-risk range. Light blue is above the presumed 2.0 to 3.0 target for patients with these indications but within the low-risk range. N = 2184.
AF—atrial fibrillation, DVT—deep vein thrombosis, INR—international normalized ratio, PE—pulmonary embolism.
