CDAI (Clinical Disease Activity Index)
Lab-free composite of TJC28, SJC28, patient and evaluator global assessments (each 0–10). Useful at the point of care when acute-phase reactants are not available.
For clinicians only. This tool is for healthcare professionals and clinical education only. It does not diagnose, replace clinical judgement, or replace specialist assessment. Any decisions about a patient must be based on full clinical assessment, investigations where appropriate, and current clinical guidelines.
Formula: CDAI = TJC28 + SJC28 + PGA(0–10) + EGA(0–10)
≤2.8 remission · ≤10 low · ≤22 moderate · >22 high
For clinicians only. This tool is for healthcare professionals and clinical education only. It does not diagnose, replace clinical judgement, or replace specialist assessment. Any decisions about a patient must be based on full clinical assessment, investigations where appropriate, and current clinical guidelines.
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