Table 1 Demographic and clinical variables for VLBW infants born to mothers with and without preeclampsia.

From: Association of Maternal Preeclampsia with Neonatal Respiratory Distress Syndrome in Very-Low-Birth-Weight Infants

Variable

Preeclampsia (N = 13490)

No

(N = 11290)

Yes

(N = 2200)

OR

p value

Gender, N (%) 1

Female

5381 (47.7)

1170 (53.3)

Reference

 

Male

5896 (52.3)

1026 (46.7)

0.80 (0.73–0.88)

<0.001

GA, Mean(SD)

28.6 (2.9)

30.7 (2.5)

1.30 (1.28–1.32)

<0.001

BBW, Mean(SD) /100g2

11.2 (2.7)

11.3 (2.6)

1.02 (1–1.04)

0.032

Small gestational age, N (%) 3

No

8428 (75.1)

606 (27.6)

Reference

 

Yes

2798 (24.9)

1592 (72.4)

7.91 (7.14–8.77)

<0.001

Number of antenatal steroid using, N (%) 4

<1

6281 (58.9)

1195 (56.8)

Reference

 

≥2

4376 (41.1)

909 (43.2)

1.09 (0.99–1.2)

0.069

RDS, N (%) 5

No

1440 (12.8)

440 (20.0)

Reference

 

Yes

9839 (87.2)

1756 (80.0)

0.58 (0.52–0.66)

<0.001

Surfactant, N (%) 6

No

6286 (56.0)

1551 (71.2)

Reference

 

Yes

4930 (44.0)

629 (28.9)

0.52 (0.47–0.57)

<0.001

Cesarean section, N (%) 7

No

4467 (39.7)

166 (7.6)

Reference

 

Yes

6788 (60.3)

2031 (92.4)

8.05 (6.84–9.47)

<0.001

Singleton, N (%) 8

No

3560 (31.6)

346 (15.8)

Reference

 

Yes

7690 (68.4)

1847 (84.2)

2.47 (2.19–2.79)

<0.001

Days on IPPV, Mean(SD)14

13.2 (24.4)

6.8 (16.5)

0.98 (0.98–0.98)

<0.001

Days on CPAP or IPPV, Mean(SD)15

41.5 (39.3)

27.7 (31.8)

0.99 (0.99–0.99)

<0.001

  1. Abbreviations: VLBW, very low birth weight. GA, gestational age. BBW, birth body weight. RDS, respiratory distress syndrome. IPPV, intermittent positive pressure ventilation. CPAP, continuous positive airway pressure