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Table 3 Logistic regression analysis of risk factors for early-onset PE

From: Pregnancy outcomes and risk factors for preeclampsia in dichorionic twin pregnancies after in vitro fertilization: a five-year retrospective study

Risk factors

Univariate

Multivariate

P value

OR

95% CI

aORa

95% CI

Maternal age

1.083

0.996–1.177

1.016

0.910–1.134

0.784

Gravidity

1.178

0.893–1.553

1.241

0.844–1.825

0.271

Primipara

1.537

0.727–3.252

2.117

0.723–6.196

0.171

BMI at delivery

1.102

1.001–1.210

1.070

0.966–1.185

0.194

IVF

4.731

2.439–9.180

4.635

2.130–10.084

< 0.001

ICP

0.369

0.144–0.945

0.371

0.130–1.061

0.064

Growth discordance

1.732

0.695–4.316

3.288

1.109–9.749

0.032

  1. Abbreviations: PE Preeclampsia, OR Odds ratio, aOR Adjusted odds ratio, CI Confidence interval, BMI Body mass index, LDA Low-dose aspirin, IVF In vitro fertilization, ICP Intrahepatic cholestasis of pregnancy
  2. aAdjustments for maternal age, BMI at delivery, gravidity, primipara, ICP, IVF and growth discordance