Flow-Synchronized Nasal Intermittent Positive Pressure Ventilation for Infants <32 Weeks' Gestation with Respiratory Distress Syndrome

Table 1

Neonatal characteristic in the two study groups.

	INSURE/NCPAP (n.31)	INSURE/SNIPPV (n.33)	𝑃 value
Gestational age (wks)	29.1 ± 1.4	28.7 ± 1.3	0.768
Birth weight (g)	1305 ± 364	1283 ± 278	0.786
M/F	14/17	13/20	0.641
Multiple births	7 (22.6)	8 (24.2)	0.085
Antenatal steroids	27 (87.1)	26 (78.8)	0.689
Main maternal pregnancy diseases
(i) hypertensive disorders	6 (19.3)	9 (27.2)	0.455
(ii ) pPROM	6 (19.3)	5 (15.1)	0.729
(iii) placental abruption	4 (12.9)	3 (9.1)	0.704
(iv) corionamnionitis	3 (9.6)	4 (12.1)	1.000
(v) IUGR	5 (16.1)	5 (15.1)	1.000
Cesarean section	27 (87.0)	28 (84.8)	0.796
Apgar score at 5′	8 (5–9)	8 (6–9)	0.947
CRIB score	2 (0–11)	1 (0–8)	0.078
RDS moderate to severe*	20 (64.5)	23 (69.7)	0.625
Age at NCPAP (min)	30 (15–120)	30 (15–120)	0.994
Age at INSURE (hours)	4 (0.5–17)	4 (0.5–23)	0.736
FiO2 at INSURE	0.44 ± 0.05	0.43 ± 0.03	0.332
tcPCO2 at INSURE (mm Hg)	46.6 ± 6.6	48.6 ± 7.9	0.278

Values are given as mean ± SD, median (range), or number and (%).
*Radiographic classification.