The Crohn’s Disease Activity Index (CDAI) is a research tool to determine the current severity of Crohn’s disease.
Formula :
Summation of factors and variables that are positive.
Explanation of Result :
CDAI < 150 is used as a marker of remission of Crohn’s
CDAI > 450 is a marker of severe disease
* Please verify all calculations prior to clinical use.
References
- 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. PMID: 1248701.