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Table 1 Comparison of demographic characteristics and risk factors in EO-PE and LO-PE with HELLP syndrome

From: Comparison of clinical features and pregnancy outcomes in early- and late-onset preeclampsia with HELLP syndrome: a 10-year retrospective study from a tertiary hospital and referral center in China

 

EO-PE with HELLP group (n = 47)

LO-PE with HELLP group (n = 36)

P value

Maternal age, years

32.23 (5.42)

31.67 (4.86)

0.623

Maternal Age ≥ 35

13 (27.7%)

12 (33.3%)

0.577

Twin or multiple pregnancies

3 (6.4%)

7 (19.4%)

0.093

Maternal weight before delivery, kg

77.38 (14.99)

74.08 (11.14)

0.242

Maternal BMI before delivery, kg/m2

28.91 [26.02–32.90]

28.30 [25.89–31.46]

0.416

Gravidity

2 [1-3]

2 [1-3]

0.449

Primiparity

29 (61.7%)

24 (66.7%)

0.641

Chronic hypertension

9 (19.1%)

5 (13.9%)

0.570

Pregnancy associated with diabetes (PGDM or DM)

8 (17.0%)

10 (27.8%)

0.239

History of preeclampsia

5 (10.6%)

3 (8.3%)

0.724

History of FGR

2 (4.3%)

0

0.503

Referral

29 (61.7%)

9 (25.7%)

0.001*

  1. Data are given as mean (SD) or median [25th percentile-75th percentile] or number (percentage). * P ˂ 0.05