Table 3.

Comparisons between survivors and non-survivors

	Survivors	Non-survivors
	(n = 15)	(n = 9)	P
Birth weight (g)	3362 ± 193.3	2736 ± 249.5	0.06
Gestational age (weeks)	39.5 ± 0.60	38.2 ± 0.78	0.20
OI pre INO	45.7 ± 6.5	47.3 ± 8.4	0.90
OI during INO	11.9 ± 4.5	28.84 ± 3.8	0.03*
a/A ratio pre INO	0.090 ± 0.009	0.076 ± 0.011	0.36
a/A ratio during INO	0.317 ± 0.026	0.193 ± 0.034	0.009*

OI, oxygenation index; a/A, arterial/alveolar oxygen ratio; INO, inhalational nitric oxide. All values shown as mean ± SEM; *P < 0.05.