Mild - rarely active, giving symptoms only a few days in past 6 months, or was well in past 6 months, what he/she considers remission or absence of symptoms.
Moderate - sometimes active, giving symptoms on some days, or occasion ally active, giving symptoms 1-2 days a month.
Severe - constantly active, giving symptoms every day or often active, giving symptoms most days.
Citation formats
Distribution of IBD patients in the United States in 2023, by disease activity
In 2023, nearly 37 percent of patients diagnosed with inflammatory bowel disease surveyed in the United States had mild disease activity. Meanwhile, around 31 percent of IBD patients experienced severe disease activity.
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Oxford University Press. (October 7, 2024). Distribution of patients with inflammatory bowel disease in the United States in 2023, by disease activity [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 23, 2026, from /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/
Oxford University Press. "Distribution of patients with inflammatory bowel disease in the United States in 2023, by disease activity." Chart. October 7, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 23, 2026. /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/
Oxford University Press. (2024). Distribution of patients with inflammatory bowel disease in the United States in 2023, by disease activity. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 23, 2026. /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/
Oxford University Press. "Distribution of Patients with Inflammatory Bowel Disease in The United States in 2023, by Disease Activity." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 7 Oct 2024, /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/
Oxford University Press, Distribution of patients with inflammatory bowel disease in the United States in 2023, by disease activity ÌÇÐÄÆÆ½â°æ, /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/ (last visited July 23, 2026)
Distribution of patients with inflammatory bowel disease in the United States in 2023, by disease activity [Graph], Oxford University Press, October 7, 2024. [Online]. Available: /statistics/1613086/ibd-patient-distribution-by-disease-activity-us/