Gastroenterology

Harvey-Bradshaw Index (HBI) for Crohn's Disease calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

General well-being today

Abdominal pain

Number of liquid stools today

Allowed range: 0–30

Abdominal mass

Number of complications (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma, anal fissure, new fistula, abscess — 1 each)

Allowed range: 0–8

Result

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Clinical inputs

General well-being today
Abdominal pain
Number of liquid stools todayAccepted range: 0 to 30
Abdominal mass
Number of complications (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma, anal fissure, new fistula, abscess — 1 each)Accepted range: 0 to 8

Primary source

Harvey RF, Bradshaw JM. A simple index of Crohn's-disease activity. Lancet. DOI: 10.1016/s0140-6736(80)92767-1. PMID: 6102236. Scope: general well-being (0–4) + abdominal pain (0–3) + number of liquid stools/day + abdominal mass (0–3) + one point per complication; clinical remission commonly <5. (1980)

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