Is the shift in treatment patterns toward new, more expensive drugs still driving the increase in pharmaceutical expenditure? : A decomposition analysis of expenditure data in Sweden 1990-2022
BACKGROUND: Pharmaceutical expenditures (PE) are increasing worldwide raising concerns about sustainability. However, the current price index provides an incomplete picture of this trend due to the rapid introduction of new drugs on the market.OBJECTIVE: The aim of this study is to decompose PE into their components and investigate the development in Sweden from 1990 to 2022.METHODS: The PE index