Why the study?
Does plasma warfarin concentration correlate with warfarin dose and INR in Korean patients with atrial fibrillation?
Population
105 Korean patients with atrial fibrillation receiving warfarin for more than 1 year
Design
Cross-sectional
Authors
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Warfarin concentration may reflect dose better than INR in Korean AF; hypothesis-generating and should not yet change practice.
Does plasma warfarin concentration correlate with warfarin dose and INR in Korean patients with atrial fibrillation?
Plasma warfarin concentrations correlate significantly with warfarin dose in Korean patients with atrial fibrillation, suggesting potential utility for guiding dose adjustments.
Kwon et al. (2009) studied this question.
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