NIPPV showed no clear difference in pulmonary complications compared with no NIPPV (low certainty).
NIPPV showed no clear difference in rate of intubation compared with no NIPPV (moderate certainty).
NIPPV showed no clear difference in mortality compared with no NIPPV (moderate certainty).
HFNC showed no clear difference in treatment failure (escalation of respiratory therapy to NIV, NIPPV… compared with NIPPV or NIV (low certainty).
It is very uncertain whether CPAP changes need for mechanical ventilation ‒NIPPV versus CPAP compared with nasal ventilation (NIPPV or NHFV) (very low certainty).
It is very uncertain whether CPAP changes pneumothorax ‒NIPPV versus CPAP compared with nasal ventilation (NIPPV or NHFV) (very low certainty).
Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower respiratory failure postextubation compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower endotracheal reintubation compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in gastrointestinal perforation compared with nasal continuous positive airway pressure (NCPAP) (low certainty).
Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in necrotising enterocolitis compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in chronic lung disease (oxygen supplementation at 36 weeks) compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) may leads to lower pulmonary air leak compared with nasal continuous positive airway pressure (NCPAP) (low certainty).
Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in mortality (defined as death before discharge) compared with nasal continuous positive airway pressure (NCPAP) (low certainty).
Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower respiratory failure compared with nasal continuous positive airway pressure (NCPAP) (by population) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower need for endotracheal tube ventilation compared with nasal continuous positive airway pressure (NCPAP) (by population) (moderate certainty).
Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in mortality during study period compared with nasal continuous positive airway pressure (NCPAP) (by population) (low certainty).