Fig. 2From: Urinary Neutrophil Gelatinase-associated Lipocalin in the evaluation of Patent Ductus Arteriosus and AKI in Very Preterm Neonates: a cohort studyUrine neutrophil gelatinase-associated lipocalin (U-NGAL) in 146 very preterm neonates with no PDA (white) and PDA (grey) assessed at postnatal day 3Back to article page