It is very uncertain whether inhaled corticosteroids changes open‐label use of systemic corticosteroids compared with placebo (very low certainty).
Inhaled steroids showed no clear difference in death or BPD at 36 weeks' postmenstrual age compared with systemic steroids (moderate certainty).
Inhaled steroids probably leads to lower diastolic blood pressure > 95th percentile at 7 years compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in ever diagnosed as asthmatic by 7 years compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in BPD at 36 weeks' postmenstrual age compared with systemic steroids (low certainty).
Inhaled steroids showed no clear difference in hyperglycaemia compared with systemic steroids (low certainty).
Inhaled steroids may leads to lower hypertension compared with systemic steroids (low certainty).
Inhaled steroids showed no clear difference in general conceptual ability (GCA) score at 7 years The test has a… compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in moderate/severe disability at 7 years compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in death or moderate/severe disability at 7 years compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in systolic blood pressure > 95th percentile at 7 years compared with systemic steroids (moderate certainty).
Inhaled steroids showed no clear difference in death or BPD at 36 weeks' postmenstrual age among all randomised compared with systemic corticosteroids (moderate certainty).
Inhaled steroids showed no clear difference in death or BPD at 28 days compared with systemic corticosteroids (low certainty).
Inhaled steroids showed no clear difference in BPD at 36 weeks' postmenstrual age compared with systemic corticosteroids (moderate certainty).
Inhaled steroids showed no clear difference in BPD at 28 days compared with systemic corticosteroids (low certainty).
It is very uncertain whether inhaled corticosteroids changes combined outcome of mortality or BPD at 36 weeks' PMA compared with placebo (very low certainty).
It is very uncertain whether inhaled corticosteroids changes mortality at 36 weeks' PMA compared with placebo (very low certainty).
It is very uncertain whether inhaled corticosteroids changes BPD at 36 weeks' PMA compared with placebo (very low certainty).
It is very uncertain whether inhaled corticosteroids changes need for nasal continuous positive airway pressure compared with no treatment or placebo (very low certainty).
It is very uncertain whether inhaled corticosteroids changes need for mechanical ventilation compared with no treatment or placebo (very low certainty).