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Disease burden of IBD among different age groups from 1990 to 2017 in China. (A) The changes in prevalence of IBD among different age groups; (B) the changes in incidence of IBD among different age groups; (C) the changes in mortality of IBD among different age groups; (D) the changes in rates of DALYs for IBD among different age groups. DALYs=disability-adjusted life years.
