Table 4.

Summary of the inclusion and exclusion criteria

	Inclusion criteria	Exclusion criteria
Intervention	Ten pharmaceutical pricing policy interventions, as specified and defined in Table 1	Studies without one of the ten prespecified policy interventions
Outcome	Studies including price, volume, availability or affordability as primary outcome	Studies without one of the four primary outcomes
Study design	randomised trial, non-randomised trial, and observational studies with at least one comparator or counterfactual	All other study designs that do not include at least one comparator or specifying a counterfactual. These include case series.
Countries	All countries	None
Settings	All settings	None
Time period	2004–2019 (publication date)	Studies with publication date before 1 January 2004
Language	All languages	None