Disease activity categories and respective cutpoints for the CDAI, SDAI, and DAS28

Ranges: CDAI = 0 to approximately 76; SDAI = approximately 0 to approximately 90; DAS28 = approximately 0.5 to approximately 9.

CDAI: Clinical Disease Activity Index; SDAI: Simplified Disease Activity Index; DAS28: Disease Activity Score using 28 joints; HDA: high disease activity; MDA: moderate disease activity; LDA: low disease activity; Rem: remission.

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