Simple Clinical Colitis Activity Index (SCCAI)
Simple Clinical Colitis Activity Index (Walmsley 1998): six domains, 0-19; a score >= 5 indicates active ulcerative colitis.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Bowel frequency, daytime
- 2
- Bowel frequency, night
- 1
- Urgency of defecation
- 1
- Blood in stool
- 1
- General wellbeing
- 1
- Extracolonic manifestations
- 0
Result: SCCAI 6 of 19 — active disease (>= 5).
The tool opens with these values already filled in. Replace them with your own.
What the result means
- < 5
- Remission.
- >= 5
- Active ulcerative colitis (day/night frequency, urgency, blood, wellbeing, extracolonic; 0-19). An activity index, not a diagnosis.
What you enter
- Bowel frequency, daytime
- Bowel frequency, night
- Urgency of defecation
- Blood in stool
- General wellbeing
- Extracolonic manifestations
How this is calculated
Walmsley RS, Ayres RC, Pounder RE, Allan RN. A simple clinical colitis activity index. Gut. 1998;43(1):29-32. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.