The Effect of Arterial pH on Oxygenation Persists Even in Infants Treated with Inhaled Nitric Oxide

Table 1

Demographic data for study patients according to pH responsive status.

	Responders (𝑛=31); (60.7%)	Non-responders (𝑛=20) (39.2%)
Mean birth weight	3343 gm (2040–5178)	3257 gm (2670–4200)
Mean gestational age	39 wk (36.14–41.86)	38.45 wk (35.14–41.71)
Males : females	17 : 12	16 : 6
Primary diagnosis
Meconium aspiration syndrome (MAS)	12 (39%)	13 (65%)
Congenital diaphragmatic hernia (CDH)	1 (3%)	2 (10%)
Pneumonia	4 (13%)	1 (5%)
Asphyxia	1 (3%)	2 (10%)
Blood aspiration	2 (6%)	0
Sepsis	5 (16%)	4 (20%)
Cardiomyopathy	1 (3%)	0
Respiratory distress syndrome (RDS)	3 (10%)	0
Mean age at iNO initiation	23.2 hours	25.1 hours
ECMO	3 (10%)	8 (40%)
No ECMO	28 (90%)	12 (60%)
Survival to discharge	31 (100%)	19 (95%)