Forest plot illustrating risk ratio of stent thrombosis Forest plot illustrating risk ratio of stent thrombosis. AF, atrial fibrillation; DOAC, advent of direct oral anticoagulants; PCI, percutaneous coronary interventions; VKAs, vitamin K antagonists. Forest plot illustrating risk ratio of stent thrombosis. AF, atrial fibrillation; DOAC, advent of direct oral anticoagulants; PCI, percutaneous coronary interventions; VKAs, vitamin K antagonists. Natale Daniele Brunetti et al. Open Heart 2018;5:e000785 ©2018 by British Cardiovascular Society