🦴 DAS28-ESR (Rheumatoid Arthritis Activity)
Measure rheumatoid arthritis disease activity with DAS28-ESR.
DAS28-ESR (Rheumatoid Arthritis Activity)
Tender joint count (0–28)
Swollen joint count (0–28)
ESR (mm/h)
Patient global health (0–100) (mm)
When to use
Treat-to-target management of rheumatoid arthritis.
How it works
0.56·√TJC28 + 0.28·√SJC28 + 0.70·ln(ESR) + 0.014·global health. < 2.6 remission, > 5.1 high.
Key points
- ESR and CRP versions are not interchangeable.
- Track the same version over time.
- Drives escalation/de-escalation of therapy.
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.