What 8 variables are in CDAI?

Liquid/soft stool frequency, abdominal pain, general wellbeing (all x7 days), extraintestinal complications, antidiarrheal use, abdominal mass, hematocrit, and body weight deviation from standard weight.

CDAI vs Harvey-Bradshaw vs HBI?

CDAI is the historical gold standard but requires 7 days of diary. Harvey-Bradshaw Index (HBI) is calculated at a single visit (5 items) and correlates well with CDAI/2. CDAI is preferred for clinical trials.

What CDAI defines clinical response vs remission?

Clinical response: CDAI decrease ≥100 points from baseline. Remission: CDAI <150. Clinical trial regulatory endpoints require CDAI remission <150 combined with endoscopic remission for biologic approval.

Crohn's Disease Activity Index (CDAI) Calculator

Calculate CDAI for Crohn's disease activity assessment over 7 days. Score <150: remission. 150-220: mild. 220-450: moderate. >450: severe. Endpoint in clinical trials and treatment escalation decisions.

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Crohn's Disease Activity Index (CDAI) Calculator

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Frequently Asked Questions

What 8 variables are in CDAI?

CDAI vs Harvey-Bradshaw vs HBI?

What CDAI defines clinical response vs remission?