Fig. 2From: Effects of levosimendan on renal blood flow and glomerular filtration in patients with acute kidney injury after cardiac surgery: a double blind, randomized placebo-controlled studyRenal blood flow and glomerular filtration rate before (baseline) and after study drug administration (treatment). p Values indicate difference between groups (time × group interaction from linear mixed model) and difference within groups (Wilcoxon signed rank test)Back to article page