Why the study?
Do point of care test systems accurately display international normalised ratios compared to conventional manual tests in patients on long-term warfarin?
Population
600 patients on long term dosage of warfarin
Comparison
Point of care INR testing using CoaguChek Mini… vs Conventional manual INR testing from the same…
Design
Cross-sectional
Authors
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May lead to inappropriate warfarin dosing; leaves open need for better device calibration and validation.
Do point of care test systems accurately display international normalised ratios compared to conventional manual tests in patients on long-term warfarin?
Point of care INR monitors show significant variation compared to conventional manual testing, highlighting the need for improved calibration and quality control.
L. Poller (2003) studied this question.
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