***p<0.001, **p<0.01,
*p<0.05, +
p<0.2
Gestational Age (GA), Intravenous antibiotics (IVABx), parental
nutrition (PN), Patent Ductus Arteriosus (PDA), High Frequency
Oscillation ventilation (HFOV), Mean Airway Pressure (MAP), fraction of
inspired oxygen (FiO2), oxygen
saturations(SpO2), partial pressure of carbon dioxide on
blood gas (pCO2),Haemoglobin (Hb), Pulmonary
interstitial emphysema (PIE), chest xray (CXR)