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Editor's Correspondence
June 25, 2001

Consensus Needed for Evaluating Safe and Adequate Anticoagulant Control

Arch Intern Med. 2001;161(12):1558. doi:

We read with interest the recent article by Fitzmaurice et al.1 The primary outcome they reported was the point prevalence of patients achieving individual therapeutic international normalized ratio (INR) targets. Although the authors state that this method is routinely used in England, there is no clear consensus. In an attempt to standardize the evaluation of anticoagulant control, the INR was introduced, and disease-specific INR target ranges were recommended.

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