Fig. 2From: Potential risks in using midodrine for persistent hypotension after cardiac surgery: a comparative cohort studyCox regression depicting time (in days) before successful cessation of intravenous vasopressor between midodrine and control group after cardiac surgery, controlling for Euroscore II, CPB duration and propensity score. By design, patients in both groups had intravenous vasopressors for at least 12Â hBack to article page