Fig. 3From: Global Thrombosis Test – a possible monitoring system for the effects and safety of dabigatranIn patients with non-valvular atrial fibrillation, changes in (a) activated partial thrombin time (APTT), (b) occlusion time (OT), and (c) lysis time (LT) following a change from warfarin therapy (left) to dabigatran (right) therapy. The use of dabigatran significantly prolonged APTT as well as OT, compared with warfarin, while there was no change in LTBack to article page