Ulcerative colitis

ulcerative colitis: An inflammatory bowel disease involving the mucosal surface of the large intestine and rectum. It may present with an acute or slow onset and follows an intermittent or continuous course. Signs and symptoms include abdominal pain, diarrhea, fever, weight loss, and intestinal hemorrhage.

Endpoint definition

Name K11_ULCER
Long name Ulcerative colitis
Hospital Discharge registry ICD-10: K51, ICD-9: 556, ICD-8: 5631|569
Hospital Discharge registry: exclude ICD-9 5564A
Cause of Death registry ICD-10: K51, ICD-9: 556, ICD-8: 5631|569
Cause of Death registry: exclude ICD-9 5564A
Level in the ICD-hierarchy 3
First defined in version DF2
Latin name Colitis ulcerosa

Summary Statistics

Key figures

All Female Male
Number of individuals 4320 2299 2021
Unadjusted prevalence (%) 1.99 1.87 2.15
Mean age at first event (years) 42.47 41.22 43.88
Case fatality at 5-years (%) 1.46 1.22 1.73

Longitudinal metrics

All Female Male
Median nb. of events per indiv. 5.5 5.0 6.0
Recurrence at 6 months (%) 64.38 63.59 65.26

Survival analyses between endpoints


before Ulcerative colitis
after Ulcerative colitis

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Drugs most likely to be purchased after Ulcerative colitis