Accuracy of CoaguChek XS in Patients With Antiphospholipid Syndrome

The CoaguChek XS meter is an international normalized ratio (INR) point-of-care (POC) monitor that has been shown to provide clinically acceptable accuracy. Because of a potential interaction between antiphospholipid antibodies and the reagent used in the prothrombin time INR assay, there is uncertainty as to the reliability of using POC INR monitors in patients with antiphospholipid syndrome (APLS). The study population consisted of 41 patients...