MDCalc

Clinical Disease Activity Index (CDAI) for Rheumatoid Arthritis

Determines severity of rheumatoid arthritis using only clinical data.

joints
joints
Ask the patient: Considering all the ways arthritis affects you, how well are you doing?
Per medical opinion: Considering all the ways arthritis affects the patient, how well are they doing?

Result:

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Critical Actions

Patients with high activity scores should receive early and aggressive RA medications with close follow-up, as attaining low activity or remission-level scores may prevent disease progression and disability.

cdai algorithm