Figure 4From: Increasing abdominal pressure with and without PEEP: effects on intra-peritoneal, intra-organ and intra-vascular pressures Bland-Altman graph for the comparison between intraperitoneal and inferior vena cava pressure. Absolute values are displayed on the right side of the figure, and changes between baseline and external abdominal pressure with and without PEEP on the left side. Full lines represent bias (average of the differences), and dotted lines limits of agreement (+/- 1.96 SD).Back to article page