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Table 4 Reported Odds Ratios according to each risk factor

From: Systematic review of observational studies of the impact of cardiovascular risk factors on preeclampsia in sub-saharan Africa

Risk factors

Number of studies

Odds Ratios/Relative Risk

95% Confidence Intervals

Chronic hypertension

5

2.2

1.17–6.20

2.3

1.12–4.66

10.5

5.8–19

4.3

1.33–13.9

3.0

 

Obesity

5

3.3

1.87–5.79

1.8

1.3–2.4

2.7

1.3–5.7

2.8

 

3.9

1.5–10.0

Overweight

3

7.0

2.9–19.4

5.5

1.12–27.6

1.4

1.2–1.8

Diabetes

1

5.4

1.1–27.0

Alcohol

1

4.0

1.8–8.75