🦴 ASDAS-CRP (Axial SpA Activity)
UseWhen to use: longitudinal axSpA treat-to-target when CRP available.
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Strata<1.3 inactive; <2.1 low; ≤3.5 high; >3.5 very high.
LimitsWhen not to use: CRP in wrong units. · Pitfall: substituting BASDAI cutoffs directly. · ASDAS-ESR uses a different equation.
SourceLukas C et al. ASDAS development literature
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Scene next step
📋rheumOpen scene pack →Matching pathway
🧭septic_arthritisOpen pathway →Score + version; reference only — not a substitute for care · no HIS write
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Methodology · worked example, guidelines & full notes
Clinical takeaway
CRP mg/L.
When to use
When to use: longitudinal axSpA treat-to-target when CRP available.
How it works
0.12×Back + 0.06×Stiffness + 0.11×PtGlobal + 0.07×Peripheral + 0.58×ln(CRP+1).
Key points
- CRP mg/L.
- <1.3 inactive.
- Next: BASDAI / ASAS.
References
- Lukas C et al. ASDAS development literature
Verification & sources · governance
FAQ
Frequently asked questions
- Does ASDAS-CRP (Axial SpA Activity) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.