Objective: The main objective of this study is to compare patients’ outcome in anticoagulation treatment before and after Warfarin Medication Therapy Adherence Clinic (WMTAC). The study compares the cost of INR test between usual care (UC) and WMTAC. The study also determines factors affecting International Normalized Ratio (INR) level among WMTAC patients.
Methods: A retrospective study involving WMTAC patients was conducted by trained pharmacists at Dungun Hospital. Patients were reviewed by UC for 4 months and continuously followed up by WMTAC for another 4 months were included in this study. Patients who passed away, transferred out and defaulted were excluded from the study. The data were derived from Patient Medical Record and recorded in Warfarin Data Collection Form for analyze.
Results: The time in therapeutic range (TTR) was 73.46% for WMTAC and 45.58% for UC (p