Fig. 1From: Monitoring skin blood flow to rapidly identify alterations in tissue perfusion during fluid removal using continuous veno-venous hemofiltration in patients with circulatory shockBox-and-whisker plots (median and interquartile range) of skin blood flow (SBF) during fluid removal with CVVHDF (a) and change in SBF (∆SBF) during the first hour of fluid removal with CVVHDF (UF; b) in the two groups. #p < 0.05 vs baseline (T0) in the same group; PU perfusion unitBack to article page