Table 2 Logistic regression analysis of predictor variables for hypertensive disorders of pregnancy

Maternal age

1.02 (0.94–1.10)

0.602

1.10 (1.01–1.20)

0.035

1.11 (1.02–1.21)

0.022

Maternal BMI

1.53 (1.42–1.64)

< 0.001

1.30 (1.21–1.40)

< 0.001

1.29 (1.20–1.39)

< 0.001

MAP

1.78 (1.64–1.94)

< 0.001

1.69 (1.55–1.84)

< 0.001

1.68 (1.54–1.83)

< 0.001

GDM

2.17 (1.71–2.72)

< 0.001

1.82 (1.42–2.30)

< 0.001

1.79 (1.40–2.27)

< 0.001

Type of infertility

0.94 (0.80–1.10)

0.457

1.12 (0.90–1.39)

0.303

 PCOS

1.77 (1.47–2.11)

< 0.001

0.91 (0.74–1.12)

0.378

 Intrauterine adhesion

1.40 (0.85–2.16)

0.154

1.09 (0.65–1.72)

0.733

 Childbirth experience

0.61 (0.51–0.74)

< 0.001

0.57 (0.42–0.75)

< 0.001

0.55 (0.45–0.68)

< 0.001

 0

Ref

 1

1.12 (0.93–1.34)

0.214

1.00 (0.80–1.24)

0.964

  ≥ 2

0.95 (0.72–1.23)

0.711

0.80 (0.58–1.09)

0.156

Development of embryos

0.63 (0.27–1.25)

0.238

0.91 (0.37–1.93)

0.825

Endometrial preparation

2.51 (2.14–2.95)

< 0.001

2.19 (1.83–2.64)

< 0.001

2.13 (1.79–2.52)

< 0.001

 0.8 cm ≤ EMT ≤ 1.2 cm

Ref

 EMT <  0.8 cm

1.80 (1.37–2.33)

< 0.001

1.73 (1.29–2.27)

< 0.001

1.73 (1.31–2.27)

< 0.001

 EMT > 1.2 cm

1.15 (0.86–1.51)

0.337

1.40 (1.03–1.86)

0.025

1.39 (1.03–1.85)

0.028

Number of embryos

0.82 (0.59–1.11)

0.224

0.77 (0.54–1.07)

0.138

0.76 (0.54–1.04)

0.095

History of CS

0.67 (0.52–0.86)

0.002

0.90 (0.63–1.27)

0.538