Figure 4From: Usefulness of N-terminal pro-B-type natriuretic peptide in patients admitted to the intensive care unit: a multicenter prospective observational study Receiver operating characteristic (ROC) curve analysis for hospital mortality. The area under the ROC curve was 0.67 for the NT-pro-BNP level and 0.83 for the SAPS 3 score. Combine of NT-pro-BNP level and SAPS 3 score resulted in little additional power.Back to article page