Medicine:Simple clinical colitis activity index

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Simple clinical colitis activity index
Medical diagnostics
PurposeDetermining severity of ulcerative colitis

The Simple Clinical Colitis Activity Index (SCCAI) is a diagnostic tool and questionnaire used to assess the severity of symptoms in people who suffer from ulcerative colitis. It was created in 1998 and is still used to assess the severity of symptoms.[1] It is also used for research purposes to determine the efficacy of various treatments aimed at relieving symptoms.[2] The calculated score ranges from 0 to 19, where active disease is a score of 5 or higher.

The score is determined by asking the person with colitis questions regarding:

  • Bowel frequency at day/night
  • Urgency of defecation
  • Blood in stool
  • General health
  • Extracolonic manifestations


  1. Walmsley, R S; Ayres, R C S; Pounder, R E; Allan, R N (1998). "A simple clinical colitis activity index". Gut 43 (1): 29–32. doi:10.1136/gut.43.1.29. ISSN 0017-5749. PMID 9771402. 
  2. Mardini, Houssam E.; Grigorian, Alla Y. (2014). "Probiotic Mix VSL#3 Is Effective Adjunctive Therapy for Mild to Moderately Active Ulcerative Colitis". Inflammatory Bowel Diseases 20 (9): 1562–1567. doi:10.1097/MIB.0000000000000084. ISSN 1078-0998. PMID 24918321; Access provided by the University of Pittsburgh