Nathalie Conrad, Shivani Misra, Jan Y Verbakel, Geert Verbeke, Geert Molenberghs, Peter N Taylor, Justin Mason, Naveed Sattar, John J V McMurray, Iain B McInnes, Kamlesh Khunti, Geraldine Cambridge
BACKGROUND: A rise in the incidence of some autoimmune disorders has been described. However, contemporary estimates of the overall incidence of autoimmune diseases and trends over time are scarce and inconsistent. We aimed to investigate the incidence and prevalence of 19 of the most common autoimmune diseases in the UK, assess trends over time, and by sex, age, socioeconomic status, season, and region, and we examine rates of co-occurrence among autoimmune diseases. METHODS: In this UK population-based study, we used linked primary and secondary electronic health records from the Clinical Practice Research Datalink (CPRD), a cohort that is representative of the UK population in terms of age and sex and ethnicity...
June 3, 2023: Lancet