Clinical Disease Activity Index for rheumatoid arthritis
RA activity without laboratory values, plus SDAI when CRP is available.
Inputs
0 of 4joints
joints
cm
cm
Optional.
When to use
- Every RA visit.
Pearls and pitfalls
- CDAI: remission 2.8 or less, low 10 or less, moderate 22 or less, high above 22.
- SDAI: remission 3.3 or less, low 11 or less, moderate 26 or less.
Why use
Point-of-care without waiting for labs.
CDAI = TJC28 + SJC28 + patient global (0–10) + provider global (0–10); SDAI = CDAI + CRP (mg/dL)