How frequently does a patient with new onset of Crohn’s disease present with fistulae?

Reference
Schwartz DA, Loftus EV Jr, Tremaine WJ, et al. The natural history of fistulizing Crohn’s disease in Olmsted County, Minnesota. Gastroenterology. 2002;122:875-880
Full-text

Particulars
Restrospective study in a sparsely populated county in MN of all patients diagnosed with Crohn’s between 1970 and 1993; included 169 patients (of 175 total w/Crohn’s disease dx) who consented to participate

Data
Incidence of fistulae at any time: 20% (27)
Incidence of fistulae at presentation: 14% (19) – at time of presentation; 4% (6) – preceded any abdominal symptoms

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About Amy

Clinical Informationist at EUH Branch Library
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