Heart failure in first- and second-generation immigrants aged 18–54 years in Sweden : A national study
Purpose: We aimed at analysing the risk of congestive heart failure (CHF) among first- and second-generation immigrants in younger age groups. Methods: All individuals aged 18–54 years, n = 3 973 454 in the first-generation study and n = 3 817 560 in the second-generation study, were included. CHF was defined as at least one registered diagnosis in the National Patient Register between 1 January 1