. Author manuscript; available in PMC: 2017 Nov 13.

Published in final edited form as: Pediatr Res. 2016 Jul 18;80(5):719–728. doi: 10.1038/pr.2016.143

Table 1.

Respiratory support parameters with interventions for preterm lambs supported by non-invasive support (NIS) for 21 days (mean±SD).

Parameter	Day of Life	NIS	NIS+RN	NIS+ES
FiO₂^a	1	0.40 ± 0.05	0.47 ± 0.13	0.41 ± 0.18
	2–4	0.33 ± 0.15	0.33 ± 0.17	0.40 ± 0.22
	6–8	0.30 ± 0.10	0.31 ± 0.11	0.30 ± 0.09
	13–15	0.28 ± 0.03	0.35 ± 0.12	0.25 ± 0.06
	19–21^a	--	--	--

Blow-by Flow of Oxygen (L/min) ^b	19–21	None	8 ± 2^*	1 ± 1

Peak Inspiratory Pressure (cmH₂O) ^a	1	16 ± 2	15 ± 3	16 ± 5
	2–4	7 ± 2	7 ± 6	6 ± 4
	6–8	5 ± 2	6 ± 7	3 ± 2
	13–15	3 ± 1	2 ± 2	2 ± 1
	19–21^a	--	--	--

Mean Airway Pressure (cmH₂O) ^a	1	9 ± 2	8 ± 2	8 ± 2
	2–4	5 ± 1	5 ± 4	2 ± 1
	6–8	4 ± 1	4 ± 4	4 ± 2
	13–15	2 ± 1	1 ± 1	2 ± 1
	19–21^a	--	--	--

p ≤ 0.05 compared to NIS and NIS+ES

measured at the ventilator

No nasal tube