Jan Nielsen

Time trends in patients with ulcerative colitis and crohn’s disease not receiving IBD-specific pharmacological treatment within one and three years of diagnosis – a nationwide cohort study

BACKGROUND AND AIMS: Most patients with Crohn's disease (CD) or ulcerative colitis (UC) receive medication at diagnosis, but some do not. We examined 25-year trends in the proportion of newly diagnosed IBD patients not receiving any pharmacologic treatment within one or three yea...