Best WR, Becktel JM, Singleton JW, Kern F Jr. Development of a Crohn's disease activity index. National Cooperative Crohn's Disease Study. Gastroenterology. 1976 Mar;70(3):439-44.

Jørgensen L, Fredholm L, Hyltoft Petersen P, Hey H, Munkholm P, Brandslund I. How accurate are clinical activity indices for scoring of disease activity in inflammatory bowel disease (IBD)? Clin Chem Lab Med. 2005; 43(4):403–11. doi:10.1515/CCLM.2005.073. PMID 15899657.

Yoshida E. The Crohn's Disease Activity Index, its derivatives and the Inflammatory Bowel Disease Questionnaire: a review of instruments to assess Crohn's disease. Can J Gastroenterol. 1999; 13(1):65–73. PMID 10099817.

Dr. William R. Best

Crohn's Disease Activity Index (CDAI)

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<p>Determines the current severity of Crohn’s disease.</p>

Determines the current severity of Crohn’s disease.

The Crohn's Disease Activity Index (CDAI) determines the current severity of Crohn’s disease.

Weight

Hematocrit

Stools

Harvey-Bradshaw Index (HBI)

PCDAI Score

Montreal Classification for IBD

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Calc Function