Clinical Disease Activity Index (CDAI)
TJC28 + SJC28 + PtGA (0-10) + PtPain (0-10) + √(ESR)×0.56 (teaching).
Calculator
How it works
CDAI sums joint counts and patient-reported measures with ESR contribution.
Limits
CRP substitution and remission cutoffs vary by guideline.
Educational tool only.