RheumRheumatology

Disease Activity Score 28 Joints — CRP Version

Quantifies RA disease activity using 28 joint counts and CRP. Guides treatment escalation and biological therapy decisions. Remission defined as DAS28-CRP <2.6.

Tender joint count (out of 28 joints)(28 joints: shoulders, elbows, wrists, MCPs×5, PIPs×5 bilaterally, and both knees)

Swollen joint count (out of 28 joints)

CRP (C-reactive protein)

mg/L

Patient global health assessment (VAS)(0=excellent health, 100=worst health imaginable)

Reference: Wells G et al. J Rheumatol 2009; Prevoo ML et al. Arthritis Rheum 1995

Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Wells G et al. J Rheumatol 2009; Prevoo ML et al. Arthritis Rheum 1995.

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