Table 2

Mortality and morbidities among infants with or without maternal hyperglycaemia in pregnancy

Outcomes, n (%)Infants with maternal hyperglycaemia in pregnancy (n=682)Infants without maternal hyperglycaemia in pregnancy (n=28 944)P valueAdjusted* RR (95% CI)
Hospital death28 (4.1)1504 (5.2)0.200.83 (0.58 to 1.20)
RDS438 (64.2)17 842 (61.6)0.171.04 (0.99 to 1.1)
NEC9 (1.5)440 (1.5)0.670.92 (0.48 to 1.77)
PDA required any treatment250 (36.7)10 964 (37.9)0.521.00 (0.92 to 1.1)
IVH grades III–IV or PVL47 (6.9)2328 (8.0)0.270.86 (0.65 to 1.15)
CLD 28236 (34.6)10 822 (37.4)0.130.97 (0.89 to 1.06)
ROP required any treatment101 (14.8)4662 (16.1)0.360.99 (0.84 to 1.18)
Composite†370 (54.2)16 205 (60.0)0.371.00 (0.95 to 1.07)
  • *Adjusted for maternal age, parity, mode of delivery, sex, antenatal steroid use, gestational week, SGA and Apgar score at 5 min.

  • †Includes hospital death, NEC, PDA required any treatment, IVH or PVL, CLD 36 and ROP required any treatment.

  • CLD, chronic lung disease; IVH, intraventricular hemorrhage; NEC, necrotizing enterocolitis; PDA, patent ductus arteriosus; PVL, periventricular leukomalacia; RDS, respiratory distress syndrome; ROP, retinopathy of prematurity.