[Epidemiological study on the incidence of inflammatory bowel disease in 4 Spanish areas. Spanish Group on the Epidemiological Study of Inflammatory Bowel Disease].

Abstract

The incidence of IBD did not show differences among the Spanish areas, and rates are between 2 and 6 times higher than those previously reported. The incidence of UC is significantly lower than that observed in the North of Europe, while for CD the incidence is between that of Northern and Southern Europe.