1. In preterm infants with respiratory distress, there was no difference in time to full enteral feeding (FEF), between the nasal continuous positive airway pressure (NCPAP) and heated humidified high-flow nasal cannula (HHHFNC) groups. 2. The NCPAP group had a lower rate of ineffectiveness than the HHHFNC in treating respiratory distress syndrome (RDS) Evidence Rating