All calculatorsRheumatology

Clinical Disease Activity Index (CDAI)

Rheumatoid arthritis disease activity from joint counts and global assessments — no lab values needed, so it can be scored the same day.

For healthcare professionals.These calculate a score or a measurement from values you enter. They do not diagnose, and they are no substitute for clinical judgement. If you are a patient, discuss any result with your own doctor rather than acting on it.

Tender Joint Count (of 28)

Swollen Joint Count (of 28)

Patient Global Assessment0-10 VAS

Physician Global Assessment0-10 VAS

Enter the values above to see the result.

Source

Aletaha D, Nell VP, Stamm T, et al. Acute phase reactants add little to composite disease activity indices for rheumatoid arthritis. Arthritis Res Ther. 2005;7(4):R796-806.

Shown for reference and checked against the source above. Confirm against current guidance before acting on it, and use your own clinical judgement.

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