Figure 4.
Changes in VAS and the logarithm of NT-proBNP across baseline IVC diameter and the presence of IVC increase at 3-h. (A) Visual analog scale. (B) Amino-terminal pro-brain natriuretic peptide. NT-proBNP, amino-terminal pro-brain natriuretic peptide, IVC, inferior vena cava; VAS, visual analog scale.
