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. 2021 Oct 12;35(6):749–764. doi: 10.1007/s40259-021-00498-3

Fig. 2.

Fig. 2

Age-adjusted yearly prevalence of use (per 1000 people) of biological drugs approved for immune-mediated inflammatory diseases, stratified by region in the period 2010–2019. Age adjustment was performed using standardized direct method, based on calendar year-specific Italian population for the following age categories: < 18, 18–44, 45–64, and ≥ 65 years