Table 1. Parameter values used for least and most favourable normative assumptions.

Parameter	Least favourable assumptions	Most favourable assumptions
Discount rate	3% for costs and benefits	3% for costs; 0% for benefits
Inclusion of stillbirth QALYs	Not included	Included
CET	Based on empirical estimates*	1 × GDP per capita

*CETs were based either on estimates from Ochalek and colleagues or Woods and colleagues. See S1 Appendix A2.8 for more details.

CET, cost-effectiveness threshold; GDP, Gross Domestic Product; QALY, quality-adjusted life year.