Functions & Formulae

Each applied formula has its own function page, with a signature, implementations, and tests.

Pairwise incremental cost-effectiveness function

r(C_1,C_0,E_1,E_0) = ICER

Maps the expected costs and expected health effects of an intervention and one comparator to the additional cost per additional unit of health effect.

  • Two-option incremental cost-effectiveness ratio

    ICER = (C_1 - C_0) / (E_1 - E_0)

    Divides the difference in expected cost by the difference in expected health effect, both taken as the intervention minus the comparator. The result reads as cost per unit of effect gained only when the effect difference is positive.

Incremental Cost-Effectiveness Ratio (ICER) — Functions & Formulae | HealthEconomics.wiki