Table II.

Unadjusted patient outcomes during hospitalization by surfactant preparation

Outcome	Beractant	Calfactant	Poractant alfa
Total ventilator days, median (interquartile range)	2 (1–7)	2 (1–7)	2 (0–5)
Necrotizing enterocolitis (medical & surgical), n (%)	1384 (6.8)	1191 (7.6)	1006 (6.6)
Intraventricular hemorrhage (grade III, IV), n (%)	1008 (5.0)	835 (5.3)	657 (4.3)
Pneumothorax, n (%)	1230 (6.0)	775 (4.9)	616 (4.1)
Pulmonary interstitial emphysema, n (%)	516 (2.5)	356 (2.3)	238 (1.6)
Air leak syndrome, n (%)	1589 (7.8)	1059 (6.7)	802 (5.3)
BPD, n (%)	3475 (17.6)	2480 (16.1)	1889 (12.9)
Death, n (%)	2052 (10.1)	1438 (9.1)	1086 (7.2)
Death or BPD, n (%)	5403 (27.4)	3848 (24.9)	2913 (19.9)