SDAI (Simplified Disease Activity Index, rheumatoid arthritis)

SDAI (Simplified Disease Activity Index, rheumatoid arthritis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.

Open the SDAI (Simplified Disease Activity Index, rheumatoid arthritis) → Runs in your browser. No signup, no tracking.

What this is

SDAI (Simplified Disease Activity Index, rheumatoid arthritis) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. SDAI (Simplified Disease Activity Index, rheumatoid arthritis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.

When to use it

Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.

References

Smolen JS, Breedveld FC, Schiff MH, et al. A simplified disease activity index for rheumatoid arthritis for use in clinical practice. Rheumatology (Oxford). 2003;42(2):244-257. Read the source ↗

Worked example: SDAI 20.5/86 — moderate disease activity (> 11–26).

Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.

Built by Clay Good. Source on GitHub.