Association between knowledge of anticoagulation, INR control, and warfarin-related adverse events: a cross sectional study.

Objective: This cross-sectional observational study, conducted from 01/09/2023 to 01/11/2023, involved 200 warfarin-using patients outpatient clinics to assess the knowledge and understanding of warfarin among patients through face-to-face interviews.

Results: Almost 70% of participants displayed insufficient knowledge about their warfarin therapy, potentially linked to inadequate counseling or patient comprehension. The participants had an average weekly warfarin dose of 32.