Table 1: Neonatal characteristic in the two study groups.

INSURE/NCPAP (n.31)INSURE/SNIPPV (n.33) value

Gestational age (wks)29.1 ± 1.428.7 ± 1.30.768
Birth weight (g)1305 ± 3641283 ± 2780.786
M/F14/1713/200.641
Multiple births7 (22.6)8 (24.2) 0.085
Antenatal steroids27 (87.1)26 (78.8)0.689
Main maternal pregnancy diseases
 (i) hypertensive disorders6 (19.3)9 (27.2)0.455
 (ii ) pPROM6 (19.3)5 (15.1)0.729
 (iii) placental abruption4 (12.9)3 (9.1)0.704
 (iv) corionamnionitis3 (9.6)4 (12.1)1.000
 (v) IUGR5 (16.1)5 (15.1)1.000
Cesarean section27 (87.0)28 (84.8)0.796
Apgar score at 5′8 (5–9)8 (6–9)0.947
CRIB score2 (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 INSURE0.44 ± 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.