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Table 2 Background information about women aged under 35 and 35 and over who had preeclampsia

From: Preeclampsia complicated by advanced maternal age: a registry-based study on primiparous women in Finland 1997–2008

 

Women <35

Women ≥35

 
 

(n = 15 437)

(n = 2387)

P

Prior termination

3237 (21.0)

812 (34.0)

<0.001

Pregravid BMI >25 kg/m2

2201 (41.6)

470 (56.2)

<0.001

Late pregnancy bleeding

215 (1.4)

45 (1.9)

0.062

Placenta previa

29 (0.2)

11 (0.5)

0.009

Fertility treatment other than IVF

274 (1.8)

154 (6.5)

<0.001

IVF

291 (1.9)

184 (7.7)

<0.001

Anemia

91 (0.6)

14 (0.6)

0.986

Smoking

2196 (14.2)

226 (9.5)

<0.001

Not married

7346 (47.6)

1128 (47.3)

0.058

Chronic hypertension

177 (1.1)

49 (2.1)

<0.001

Maternal diabetes

753 (4.9)

221 (9.3)

<0.001