Fig. 2From: Efficacy and safety outcomes in novel oral anticoagulants versus vitamin-K antagonist on post-TAVI patients: a meta-analysisFunnel-plot of assessing publication bias. a Funnel-plot of all-cause mortality. b Funnel-plot of bleeding. c Funnel-plot of disabling or non-disabling stroke. d Funnel-plot of combined end-pointBack to article page