How does the prevalence of colitis vary among patient groups?

Updated: Jan 04, 2019
  • Author: David A Piccoli, MD; Chief Editor: Carmen Cuffari, MD  more...
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NEC is a disease of newborns, with low- and very low–birth-weight preterm infants being particularly susceptible. Allergic colitis is the most common form of colitis during the first year of life. IBD is generally diagnosed in children aged 5-16 years. It has a bimodal distribution, with an early onset at age 15-25 years and a second smaller peak at age 50-80 years. HSP occurs in school-aged children and young adults. It is common in males.

The prevalence of IBD is increased among Jewish people of European Ashkenazi descent. A positive family history is the most consistent risk factor for children with IBD. HSP is common in white people. Food-allergic colitis is believed to be present in approximately 2-3% of all infants. [9]

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