Table 1 The characteristics of women with and without PE in the training set.

From: Pre conception dyslipidemia and risk for preeclampsia in women undergoing IVF ET

 

PE (n = 266)

No PE (n = 2022)

P

Maternal age, years

34.0 ± 3.3

34.4 ± 3.6

0.097

Pre-pregnancy BMI, kg/m2

23.4 ± 3.3

21.9 ± 2.9

<0.001

Pre-pregnancy systolic BP, mmHg

115.3 ± 10.4

113.6 ± 9.3

0.006

Pre-pregnancy diastolic BP, mmHg

71.5 ± 6.8

70.2 ± 6.6

0.004

Primiparous, n(%)

258 (97.0)

1933 (95.6)

0.289

Twin pregnancy, n(%)

147(55.3)

528(26.1)

<0.001

Chronic hypertension, n(%)

38(14.3)

42(2.1)

<0.001

Diabetes mellitus, n(%)

16(6.0)

60(3.0)

0.009

Gestational diabetes mellitus

77(29.0)

633(31.3)

0.434

Autoimmune diseases, n(%)

7(2.6)

53(2.6)

0.992

Time at delivery, gestational weeks

36.0 ± 2.6

38.0 ± 2.4

< 0.001

Glucose, mmol/L

4.9 ± 0.6

4.9 ± 0.6

0.543

TC, mmol/L

4.5 ± 0.9

4.4 ± 0.8

0.037

TG, mmol/L

1.6 ± 1.4

1.2 ± 0.7

<0.001

HDL-C, mmol/L

1.3 ± 0.3

1.4 ± 0.3

0.002

LDL-C, mmol/L

2.7 ± 0.8

2.6 ± 0.7

0.045

Basal FSH, MIU/mL

6.3 ± 3.1

6.5 ± 2.9

0.441

Basal LH, MIU/mL

4.2 ± 3.3

4.3 ± 3.6

0.939

Basal E2, pmol/L

189.0 ± 252.7

188.3 ± 295.0

0.972

Etiology of infertility

  

0.027

Tubal factor, n(%)

88(33.1)

624(30.9)

 

Endometriosis, n(%)

14(5.3)

190(9.4)

 

Anovulation, n(%)

71(26.7)

410(20.3)

 

Male factor, n(%)

55(20.7)

496(24.5)

 

Unexplained infertility, n(%)

38(14.3)

302(14.9)

 

Embryo transfer protocol

  

<0.001

Natural cycle, n(%)

45(16.9)

602(29.8)

 

HRT cycle, n(%)

87(32.7)

385(19.0)

 

OI cycle, n(%)

10(3.8)

99(4.9)

 

Fresh cycle, n(%)

124(46.6)

936(46.3)

 

Type of embryo transfer

  

0.972

Fresh embryo, n(%)

124(46.6)

936(46.3)

 

Frozen-thaw embryo, n(%)

142(53.4)

1086(53.7)

 

Stage of transferred embryo

  

0.61

Cleavage embryo, n(%)

174(65.4)

1286(63.6)

 

Blastocyst, n(%)

266(34.6)

736(36.4)

 
  1. BMI, body mass index; BP, blood pressure; E2, estradiol; FSH, follicle-stimulating hormone; HDL-C, high density lipoprotein cholesterol; HDP, hypertensive disorders of pregnancy; HRT: hormone replacement therapy; LDL-C, low density lipoprotein cholesterol; LH, Luteinizing Hormone; OI, ovulation induction; PE, preeclampsia; TC, total cholesterol; TG, triglyceride.