Inflammatory bowel diseases: A disease (s) of modern times? Is incidence still increasing?

Figure 1 Prospective and population-based studies: UC and CD. ¹Retrospective but population-based data base of inflammatory bowel disease. Nº studies: Number of published studies.

Figure 2 UC and CD incidence in prospective and poblational. European studies excepting Spain. Different color means there is more than one study in the same country and goes in chronological order from the first published study to the last.

Figure 3 Prospective and population-based Spanish studies over time. UC: Incidence rates from 1993 to 2006; CD: Incidence rates from 1976 to 2006.

Figure 4 Incidence studies through time.

Figure 5 UC and CD incidence rates in Asturias from 1954 to 2006.