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Table 5 The obstetric outcomes in nulliparous 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 1.386(1.339–1.435) 1.210(1.168–1.253)
Group Ca 8.194(7.502–8.949) 6.908(6.320–7.551)
Preeclampsia
Group A 1 1
Group B 1.289(1.173–1.418) 1.180(1.072–1.298)
Group C 1.353(1.139–1.607) 1.180(0.992–1.403)
PPH
Group A 1 1
Group B 1.045(0.988–1.105) 1.050(0.993–1.111)
Group C 1.037(0.934–1.151) 1.046(0.942–1.162)
Placental abruption
Group A 1 1
Group B 1.113(0.863–1.435) 1.054(0.816–1.361)
Group C 1.015(0.619–1.664) 0.933(0.567–1.533)
Placenta previa
Group A 1 1
Group B 2.008(1.798–2.242) 1.689(1.510–1.890)
Group C 2.672(2.236–3.193) 2.059(1.720–2.466)
Uterine rupture
Group A 1 1
Group B 5.071(1.431–17.972) 4.667(1.295–16.816)
Group C 54.783(23.070–130.090) 48.206(19.239–120.789)
  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
  3. PPH Postpartum hemorrhage