Context:
ANZNN: Infants less than 28 weeks gestation at risk of developing chronic lung disease.
Data domain:
ANZNN: Unknown, No respiratory support, Nasal Prongs and air / oxygen (2 litres per minute), Head box, Incubator, High flow (humidified) greater than or equal to 2 litres per minute, Nasal CPAP / nasal ventilation (includes nasal high frequency), Endotracheal / tracheostomy CPAP or ventilation (includes high frequency).