Impact of provision of time in therapeutic range value on anticoagulation management in atrial fibrillation patients on warfarin.

Introduction: The importance of time in therapeutic range (TTR) in patients prescribed warfarin therapy for stroke prevention in atrial fibrillation (AF) cannot be overemphasised.

Aim: To evaluate the impact of provision of TTR results during clinic visits on anticoagulation management.

Design: Single-centred, randomised controlled study.