Table 1

Parameters used in the budget impact model

ParametersValueReference
Epidemiological data
 Prevalence of performing a reassuring aCTG87.0%11
 Prevalence of performing a non-reassuring aCTG13.0%11
 Prevalence of performing an aCTG for three indications19.8%Online supplemental material1
 Prevalence of performing an aCTG for one indication14.8%Online supplemental material 1
 Number of midwives138Online supplemental material 1
 Number of aCTG equipment34Online supplemental material 1
 Number of aCTGs performed per year1130Online supplemental material 1
 Number of pregnant women in midwife-led care1816Online supplemental material 1
 Number of healthy pregnant women per year in the Netherlands144 42739
Resource use
 Total hours spent on performing a reassuring MLC-aCTG by a midwife2.10Online supplemental material1
 Total hours spent on performing a non-reassuring MLC-aCTG by a midwife1.80Online supplemental material 1
 Total hours spent on performing an OLC-aCTG by an obstetrician0.02Online supplementalmaterial 1
 Total hours spent on performing an OLC-aCTG by a medical resident0.05Online supplemental material 1
 Total hours spent on performing an OLC-aCTG by an obstetrician nurse0.15Online supplemental material 1
 Total hours spent on preparing an OLC-aCTG by a clinical midwife0.41Online supplemental material 1
 Average hours using hospital facility when performing an OLC-aCTG2.00Online supplementalmaterial 1
 Average hours spent on MLC-aCTG quality assessment by a coordinator per year134Online supplemental material 1
 Average hours spent on MLC-aCTG quality assessment by a midwife per year1119Online supplemental material 1
 Average hours spent on MLC-aCTG quality assessment by an obstetrician per year33Online supplemental material 1
Unit costs
 Hourly wage of a midwife€5322
 Hourly wage of an obstetrician€12514
 Hourly wage of a medical resident€5523
 Hourly wage of an obstetrician nurse€4223
 Hourly wage of a clinical midwife€5322
 Hourly wage of a coordinator€5322
 Admission day—costs per hour€2114
 Training costs per year per midwife€100Online supplemental material 1
 Equipment costs€6000Online supplemental material 1

  • MLC-aCTG, antenatal cardiotocography in midwife-led care; OLC-aCTG, obstetrician-led care-aCTG.