Table J.1Model probabilities used in the model by strategy in women with gestational hypertension

OutcomeImmediate birthExpectant managementSource
Probability of induction onset of labour95.0%60.0%Habli et al.145
Probability of spontaneous onset of labour0.0%36.0%Habli et al.145
Probability of planned caesarean section5.0%4.0%Habli et al.145
Probability of vaginal birth75.0%75.0%Boulvain et al.248
Probability of assisted vaginal birth15.0%15.0%Boulvain et al.248
Probability of emergency caesarean section after failed induction10.0%10.0%Boulvain et al.248
Probability of severe disease needing anticonvulsant medication1.0%20.0%GDG
Probability of admission to HDU99.0%99.0%GDG
Probability of admission to ICU1.0%1.0%GDG
Probability of neonatal admission57.14%33.33%Habli et al.145
Probability of admission to neonatal medium care42.86%66.67%Habli et al.145
Probability of admission to neonatal HDU50.0%57.14%Habli et al.145
Probability of admission to NICU50.0%42.86%Habli et al.145
Proportion needing oxytocin47.548Calculated
Neonatal average length of stay when admitted (days)4.94.2Habli et al.145
Proportion needing oxytocin50%50%GDG and Blix et al.244

HDU = high-dependency unit; ICU = intensive care unit; NICU = neonatal intensive care unit

From: Appendix J, Economic analysis of immediate birth (induction of labour) versus expectant management in women who have pre-eclampsia with mild or moderate hypertension at 34–37 weeks of gestation

Cover of Hypertension in Pregnancy
Hypertension in Pregnancy: The Management of Hypertensive Disorders During Pregnancy.
NICE Clinical Guidelines, No. 107.
National Collaborating Centre for Women's and Children's Health (UK).
London: RCOG Press; 2010 Aug.
Copyright © 2011, Royal College of Obstetricians and Gynaecologists.

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