Patient Characteristics in Persistent Pulmonary Hypertension of the Newborn

Table 1

Baseline characteristics of PPHN-patients.

N (%)	All newborns (𝑁=143)	GA≥37 weeks (𝑁=91)	𝐺𝐴<37 weeks (𝑁=52)
Gender
Male	86 (60,1)	52 (57,1)	34 (65,4)
Use of iNO	95 (67,4)	65 (73)	30 (57,7)
Pathophysiology
Maladap/maldevelop	108 (75,5)	77 (84,6)	31 (59,6)*
Underdevelopment	35 (24,5)	14 (15,4)	21 (40,4)*
Severity PPHN
δ-SO2
Mild-moderate	81 (56,6)	43 (47,3)	38 (73,1)*
Severe	62 (43,4)	48 (52,7)	14 (26,9)*
Outcome
Overall mortality	51 (35.7)	26 (28.6)	25 (48.1)*
PPHN-related mortality	45 (31.5)	23 (25.3)	22 (42.3)*

GA = gestational age, iNO = inhaled nitric oxide, maladap = maladaptation, maldevelop = maldevelopment, statistic significance (𝑃<.05, *Chi square test).