Association between inhaled nitric oxide treatment and long-term pulmonary function in survivors of acute respiratory distress syndrome

Table 2 Baseline oxygenation and respiratory parameters

Parameter	Statistics	Placebo	Inhaled NO	P Value
PaO₂, mm Hg	N	41	50
	Mean ± SD	84.8 ± 21.4	90.6 ± 19.1
	Median	81	86	0.068
PaCO₂, mm Hg	N	41	50
	Mean ± SD	39.9 ± 7.7	40.8 ± 8.4
	Median	41	39	0.728
SpO₂,%	N	41	50
	Mean ± SD	95.1 ± 2.6	96.5 ± 2.6
	Median	96	97	0.012
FiO₂	N	41	50
	Mean ± SD	0.65 ± 0.13	0.68 ± 0.16
	Median	1	1	0.517
PEEP, cm H₂O	N	41	51
	Mean ± SD	9.5 ± 1.7	9.8 ± 2.5
	Median	10	10	0.748
PaO₂/FiO₂ ratio	N	41	50
	Mean ± SD	136.1 ± 40.4	140.5 ± 43.4
	Median	132	130	0.774
Ventilator rate, breaths/min	N	41	50
	Mean ± SD	14.6 ± 4.4	13.1 ± 4.2	0.069
Tidal volume, mL/kg	N	39	49
	Mean ± SD	9.1 ± 1.7	10.3 ± 2.5	0.548
Mean airway pressure, cm H₂O	N	37	46
	Mean ± SD	18.3 ± 7.1	16.9 ± 5.2	0.488

FiO₂, fraction of inspired oxygen; N, number; NO, nitric oxide; PaCO₂, arterial pressure of CO₂; PaO₂, partial pressure of arterial oxygen; PEEP, positive-end expiratory pressure; SpO₂, pulse oximetric oxygen saturation.

ISSN: 1364-8535