Comparing induction of labour with oral misoprostol or Foley catheter at term: cost‐effectiveness analysis of a randomised controlled multi‐centre non‐inferiority trial
2018
Objective
To assess the costs of labour induction with oral misoprostol compared to Foley catheter.
Design
Economic evaluation alongside a randomised controlled trial.
Setting
Obstetric departments of six tertiary and 23 secondary care hospitals in the Netherlands.
Population
Women with a viable term singleton pregnancy in cephalic presentation, intact membranes, an unfavourable cervix (Bishop score <6) without a previous caesarean section, had been randomised for labour induction with oral misoprostol (n = 924) or Foley catheter (n = 921).
Methods
We performed economic analysis from a hospital perspective. We estimated direct medical costs associated with healthcare utilisation from randomisation until discharge. The robustness of our findings was evaluated in sensitivity analyses.
Main Outcome Measures
Mean costs and differences were calculated per women induced with oral misoprostol or Foley catheter.
Results
Mean costs per woman in the oral misoprostol group and in the Foley catheter group were €4470 versus €4158, respectively (mean difference €312 (95% confidence interval (CI) -€508 to €1063)). Multiple sensitivity analyses did not change these conclusions. Only, when cervical ripening for low-risk pregnancies in the Foley catheter group would be carried out in an outpatient setting, with admittance to labour ward only at start of active labour, the difference would be €4470 versus €3489, respectively (mean difference €981 (95% CI €225 to €1817)).
Conclusions
Oral misoprostol and Foley catheter generate comparable costs. Cervical ripening outside labour ward with a Foley catheter could potentially save almost €1,000 per woman.
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