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Table 3 The obstetric outcomes in women with diagnosed myoma(s) or a history of myomectomy (Dataset 1)

From: Nationwide population-based cohort study of adverse obstetric outcomes in pregnancies with myoma or following myomectomy: retrospective cohort study

Obstetric outcomes

Odds ratio (95% confidence interval)

Unadjusted

Adjusted b

Cesarean section

Group Aa

1

1

Group Ba

1.312 (1.279–1.346)

1.193 (1.163–1.224)

Group Ca

8.992 (8.408–9.617)

7.985 (7.463–8.544)

Preeclampsia

Group A

1

1

Group B

1.326 (1.227–1.433)

1.124 (1.123–1.313)

Group C

1.360 (1.175–1.574)

1.159 (1.000–1.343)

PPH

Group A

1

1

Group B

1.048 (1.005–1.092)

1.049 (1.006–1.094)

Group C

1.064 (0.983–1.152)

1.062 (0.981–1.151)

Placental abruption

Group A

1

1

Group B

1.185 (0.970–1.448)

1.118 (0.914–1.368)

Group C

1.156 (0.784–1.704)

1.037 (0.703–1.532)

Placenta previa

Group A

1

1

Group B

1.797 (1.646–1.962)

1.549 (1.418–1.692)

Group C

2.223 (1.912–2.584)

1.772 (1.523–2.063)

Uterine rupture

Group A

1

1

Group B

2.421 (1.037–5.651)

2.032 (0.865–4.777)

Group C

17.00 (8.836–32.708)

13.674 (6.986–26.765)

  1. aGroup A, Women who had never been diagnosed with myoma; Group B, Women who had diagnosed myoma(s) but no history of myomectomy; Group C, Women who had a history of myomectomy
  2. bAdjusted for age and parity
  3. PPH Postpartum hemorrhage