MDCalc

Ho Index

Predicts outcome of medical therapy in severe ulcerative colitis.

Use this tool to predict failure of medical therapy on day 3 of admission for acute severe ulcerative colitis. Requires radiographic, laboratory, and clinical symptoms to calculate risk. 

Mean stool frequency, stools/24 hrs

Colonic dilatation

Hypoalbuminemia

Albumin ≤3 g/dL (30 g/L)

Result:

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Management

As index scores increase, so does the predicted risk of medical therapy failure (IV steroids).

For patients at high risk (index score ≥4), consider other therapies such as immunomodulators and surgery. Ensure your patient has appropriate follow-up and maintenance therapy on discharge.