Table 2

Resuscitation outcomes

MgSO4 for fetal neuroprotection (n=1387)No MgSO4 (n=3868)Difference (95% CI)p Value*
Any resuscitation needed†, n (%)1324 (95.7)3624 (93.7)2.0 (0.7 to 3.3)<0.01
CPAP only, n (%)561 (40.7)1165 (30.5)10.2 (7.2 to 13.1)<0.01
Bag/mask or Neopuff ventilation, n (%)781 (56.6)2344 (61.4)−4.8 (−7.8 to −1.7)<0.01
Intubation and ventilation, n (%)557 (40.4)1669 (43.7)−3.3 (−6.4 to −0.3)0.03
Chest compressions, n (%)54 (3.9)266 (6.9)−3.0 (−4.4 to −1.7)<0.01
Epinephrine (ETT or IV), n (%)26 (1.9)119 (3.1)−1.2 (−2.1 to −0.3)0.02
Maximum FiO2, median (IQR)60 (40–100)80 (40–100)−20 (−30 to −10)<0.01
5 min Apgar <7, n (%)412 (29.8)1205 (31.6)−1.8 (−4.7 to 1.0)0.20
Surfactant use, n (%)735 (53.0)2163 (55.9)−2.9 (−6.0 to 0.1)0.06
SNAPII score >20, n (%)1086 (79.3)3074 (80.6)−1.3 (−3.8 to 1.2)0.28
  • 2 test for categorical variables and Wilcoxon Rank Sum test for continuous variables.

  • †Any resuscitation defined as mask continuous positive airway pressure or positive pressure ventilation, endotracheal tube intubation and ventilation, chest compressions or epinephrine.

  • CPAP, continuous positive airway pressure; ETT, endotracheal tube; FiO2, fraction of inspired oxygen; IV, intravenous; MgSO4, magnesium sulfate; SNAPII, score for neonatal acute physiology II.