Fig. 2From: Comparing stroke prevention therapy of direct oral anticoagulants and vitamin K antagonists in patients with atrial fibrillation: a nationwide retrospective observational studyCumulative incidence. VKA, vitamin K antagonist; DOAC, direct oral anticoagulant;Â TIA, transient ischemic attack; table indicates number of patients at risk. For number of censored patients, see Table S19 and S20Back to article page