Skip to main content

Table 5 Maternal characteristics and clinical risk factors associated with early- and late-onset preeclampsia

From: Population-based trends and risk factors of early- and late-onset preeclampsia in Taiwan 2001–2014

 

Early onset preeclampsia

Late onset preeclampsia

Ratio of Relative risk (95%CI)

P Value

Crude Relative risk

(95%CI)

P Value

Adjusted Relative risk

(95%CI)a

P Value

Crude Relative risk

(95%CI)

P Value

Adjusted Relative risk

(95%CI)a

P Value

  

Age at delivery

 15–24

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 25–34

1.79

(1.69–1.90)

< 0.01*

1.73

(1.63-1.84)

< 0.01*

1.33

(1.27-1.39)

< 0.01*

1.36

(1.30-1.43)

< 0.01*

1.27

(1.78-1.37)

< 0.01*

 35–55

3.84

(3.60–4.10)

< 0.01*

3.21

(2.99-3.44)

< 0.01*

2.31

(2.19-2.42)

< 0.01*

2.28

(2.16-2.40)

< 0.01*

1.41

(1.29-1.54)

< 0.01*

Number of prior 20 weeks births (parity)

 0

1.06

(1.02–1.09)

< 0.01*

1.39

(1.34-1.44)

< 0.01*

1.65

(1.59-1.70)

< 0.01*

1.95

(1.89-2.02)

< 0.01*

0.71

(0.68-0.75)

< 0.01*

  ≥ 1

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

Acute Coronary syndromeb

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

2.59

(2.04–3.28)

< 0.01*

1

(0.78-1.30)

0.98

1.45

(1.11–1.90)

< 0.01*

0.77

(0.58-1.02)

0.07

1.3

(0.89–1.90)

0.09

Chronic ischemic heart disease

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

3.44

(2.83–4.17)

< 0.01*

0.84

(0.68-1.04)

0.11

2.45

(2.02–2.98)

< 0.01*

0.92

(0.74-1.14)

0.45

0.91

(0.67–1.24)

0.28

Stroke

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

2.96

(2.37–3.68)

< 0.01*

1.33

(1.05-1.68)

0.02*

2.07

(1.67-2.58)

< 0.01*

1.28

(1.02-1.61)

0.03*

1.04

(0.75-1.44)

0.4

Diabetes mellitus

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

5.34

(4.91–5.81)

< 0.01*

1.9

(1.71-2.10)

< 0.01*

3.76

(3.46-4.08)

< 0.01*

2.03

(1.85-2.23)

< 0.01*

0.94

(0.82-1.08)

0.19

Chronic hypertension

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

22.73

(21.5–24.0)

< 0.01*

16.8

(15.7-18.0)

< 0.01*

12.21

(11.5-13.0)

< 0.01*

9.85

(9.19-10.6)

< 0.01*

1.71

(1.55-1.88)

< 0.01*

Hyperthyroidism

 No

Reference

 

Reference

 

Reference

 

Reference

 

Reference

 

 Yes

1.68

(1.53–1.83)

< 0.01*

1.18

(1.07-1.29)

< 0.01*

1.48

(1.36-1.60)

< 0.01*

1.21

(1.12-1.32)

< 0.01*

0.98

(0.86-1.10)

0.34

  1. aAdjusted Relative risk: adjusted for with age at delivery, income, urbanization, parity, acute coronary syndrome, chronic ischemic heart disease, stroke, diabetes mellitus, chronic hypertension and hyperthyroidism
  2. bAcute Coronary syndrome included myocardial infarction and unstable angina
  3. *P < 0.05