Maternal age |
31.54 (5.38) |
31.10 (5.39) |
0.22 |
Body mass index |
29.49 (7.10) |
25.58 (5.55) |
<0.001 |
Nulliparity |
126 (55.5) |
8786 (44.2) |
<0.001 |
Previous preterm delivery |
9 (4.0) |
770 (3.9) |
0.94 |
Smoking |
18 (7.9) |
1770 (8.9) |
0.60 |
Ethnicity
Caucasian
Others
|
205 (90.30)
22 (9.70)
|
18,004 (90.58)
1,868 (9.42)
|
0.99
|
Hypertensive disorders of pregnancy |
21 (9.3) |
532 (2.7) |
<0.001 |
Essential hypertension |
13 (5.7) |
581 (2.9) |
0.01 |
Diabetes type 1 or type 2 |
21 (9.3) |
72 (0.4) |
<0.001 |
Gestational diabetes |
39 (17.2) |
1146 (5.8) |
<0.001 |
ACS exposure |
23 (10.1) |
307 (1.82) |
<0.001 |
Gestational age at ACS administration (days) |
243.74 (24.07) |
237.09
(26.33) |
<0.001 |
Corticosteroid-to-birth interval (days) |
20.35 (27.52) |
31.30 (30.63) |
<0.001 |
Gestational age at delivery (days) |
276.30 (11.25) |
280.21 (8.48) |
<0.001 |
Birthweight centile |
63.15 (34.79) |
62.14 (27.81) |
0.59 |
Birthweight <10th centile |
28 (12.33) |
858
(4.32) |
<0.001 |
Planned caesarean delivery |
30 (13.2) |
1989 (10.0) |
0.11 |