Figure 2From: Natriuretic peptide testing for the evaluation of critically ill patients with shock in the intensive care unit: a prospective cohort studyConcentrations of NT-proBNP as a function of survival versus death in the ICU. The line refers to the median, whereas the boxes refer to the interquartile ranges. The whiskers represent the 5th and 95th centiles, respectively. ICU, intensive care unit; NT-proBNP, amino-terminal pro-brain natriuretic peptide.Back to article page