“…In the context of the broader societal perspective, the decision rule, firmly rooted in welfare economics (e.g. [19]), can be written as [16]: 2 In which v Q denotes the consumption value of health, ΔQ the incremental gain in health (measured in QALYs) and Δc t the incremental total costs. Note that Δc t denotes the total of both health care costs (Δc h ) and broader consumption costs (Δc c ), so that Δc t = Δc h + Δc c .…”