Fig. 3

Proportion of centers that use NPE divided for neonatal condition. Red columns: Proportion of centers that use NPE divided for neonatal condition. Blue Columns: Proportion of centers using standardized protocol for NPE divided for neonatal condition. Green Column: Proportion of centers that use NPE without any protocol. PDA: Patent ductus arteriosus; PPHN: Persistent Pulmonary Hypertension of the Newborn; PE: Pericardial Effusion; NP: No protocol