Home / Clinician Tools / Crohn's Disease Activity Index (CDAI)

Crohn's Disease Activity Index (CDAI) - Scientific Formula

Gastroenterology & Hepatology Equation

Standard Calibration Equation:

CDAI = 2*(stools) + 5*(pain) + 7*(wellbeing) + 20*(complications) + 30*(loperamide) + 10*(mass) + 6*(Hct dev) + weight dev

Accuracy Bounds & Limits:

While mathematical calculators evaluate demographic models, extreme variance (hyperthyroidism, dialysis cases, muscular bodybuilders, pregnancy) can trigger output errors. Weight and clearance assessments must follow separate personalized titration grids.