TABLE 2.

Use of respiratory therapies

	Period 1 (n=675)	Period 2 (n=851)
Exogenous surfactant, n (%)	340 (50)	347 (41)*
Mechanical ventilation, n (%)	521 (77)	546 (64)*
Median days (IQR)	4 (1–21)	2 (0–10)*
NCPAP, n (%)	408 (60)	603 (71)*
Median days (IQR)	1 (0–5)	3 (0–10)*
Supplemental oxygen, n (%)	586 (87)	658 (77)*
Median days (IQR)	6 (1–38)	4 (1–30)*

*P<0.05. IQR Interquartile range;

NCPAP Nasal continuous positive airway pressure