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EPIDEMIOLOGY


Figure 3: Estimated 2012 Prevalence, CD and UC 60000


UC 50000 CD 40000


30000


20000


10000


0 NL PE NS NB key findings:


• In 2012, the best estimate of the prevalence of IBD is 233,000 Canadians with IBD: 129,000 with CD and 104,000 with UC (0.67% of the Canadian population).


• Using the self-report CCHS data, upper bound for the prevalence of IBD: 306,000 individuals (0.88% of the Canadian population).


INCIDENCE


The number of new cases per year (incidence) was calculated in the Canadian IBD Epidemiology Database Study plus the Quebec study, as the average annual rate for 1998-2000. The findings are presented in Figure 4.


Figure 4: Incidence per 100,000 by Province30,33 25


UC 20 QC ON MB SK AB BC Territories


CD


15


10


5


0 NS QC MB SK AB BC CDN (excl BC) CDN (incl BC)


THE IMPACT OF INFLAMMATORY BOWEL DISEASE IN CANADA 33


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