Hypertensive disorders

Yes

No

RR [95%CI]

p

High blood pressure

18 - 34 years

1600 (5.6)

27,070 (94.4)

<18 years

136 (5.7)

2248 (94.3)

1.0 [0.9; 1.2]

0.80

≥35 years

490 (9.0)

4969 (91.0)

1.6 [1.5; 1.8]

<0.001

Abruptio placentae

18 - 34 years

389 (24.7)

1188 (75.3)

-

<18 years

26 (17.6)

122 (82.4)

0.7 [0.5; 1.0]

0.06

≥35 years

115 (22.9)

383 (77.1)

0.9 [0.8; 1.1]

0.47

Eclampsia

18 - 34 years

99 (6.7)

1477 (93.3)

<18 years

37 (22.8)

112 (77.2)

4.0 [2.8; 5.5]

<0.001

≥35 years

13 (2.6)

488 (97.4)

0.4 [0.2; 0.7]

0.001

cHELLP Syndrome

18 - 34 years

11 (0.6)

1570 (99.4)

<18 years

0 (0.0)

144 (100)

0.5 [0.1; 8.0]

0.605

≥35 years

5 (1.0)

496 (99.0)

1.4 [0.5; 4.1]

0.501

Fetal growth retardation

18 - 34 years

105 (6.7)

1471 (93.3)

<18 years

5 (3.3)

144 (92.7)

0.4 [0.2; 1.2]

0.11

≥35 years

23 (4.7)

463 (95.3)

0.7 [0.4; 1.1]

0.12

Preterm birth

18 - 34 years

361 (22.3)

1254 (77.7)

<18 years

29 (19.2)

122 (80.8)

0.9 [0.6; 1.2]

0.41

≥35 years

106 (21.0)

399 (79.0)

0.9 [0.8; 1.1]

0.57