Fig. 4From: B-natriuretic peptide serum levels in neonates with persistent pulmonary hypertensionROC curve of pre-treatment of B-natriuretic peptide (BNP) serum levels. ROC analysis of the initial BNP serum level that revealed an AUC of 0.83 with CI = 0.7–0.98 and p = 0.003Back to article page