Table 1 Comparison of the baseline characteristics between infants with PIH mothers and infants with non-PIH mothers.

Maternal age (years)

33.3 ± 4.6

34.1 ± 4.4

 < 0.001

Maternal diabetes (%)

372 (9.0)

95 (11.1)

0.061

Maternal PROM (%)

2149 (52.5)

45 (5.3)

 < 0.001

Antenatal corticosteroids (%)

1860 (45.6)

447 (52.7)

 < 0.001

Caesarean section (%)

2779 (67.2)

826 (96.6)

 < 0.001

Gestational age (weeks^+days)

27⁺⁰ ± 1⁺⁶

27⁺⁵ ± 1⁺⁴

 < 0.001

Birth weight (g)

996 ± 266

850 ± 249

 < 0.001

SGA (%)

200 (4.8)

245 (28.7)

 < 0.001

Male (%)

2217 (53.6)

391 (45.7)

 < 0.001

1-min Apgar score

4.2 ± 2.0

4.1 ± 1.9

0.276

5-min Apgar score

6.4 ± 1.9

6.6 ± 1.9

0.016