Harvey-Bradshaw Index
Harvey-Bradshaw Index for Crohn's Disease Activity · Also known as: HBI
The Harvey-Bradshaw Index (HBI) is a simple, clinician-administered tool for assessing disease activity in Crohn's disease. Developed in 1980, it measures five clinical parameters including abdominal pain, stool frequency, and extraintestinal manifestations. The HBI is widely used in clinical practice and research for monitoring disease progression and treatment response.
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When to use it
The HBI is indicated for patients with established Crohn's disease requiring routine monitoring. It is particularly useful in ambulatory settings, clinical trials with frequent assessment windows, and situations where rapid, reproducible disease quantification is needed. It is less suitable for initial diagnostic evaluation (which relies on endoscopy and imaging) but excellent for longitudinal follow-up and treatment titration.
Strengths & limitations
- Simplicity: Five items take <10 minutes to administer, requiring no laboratory data or endoscopy.
- Reproducibility: Objective criteria (stool count, palpable mass) minimize interrater variability compared to symptom-only scales.
- Clinical validity: Correlates well with endoscopic severity and CRP elevation; responsive to treatment.
- Practical utility: Ideal for office-based monitoring and treatment decisions without delay for test results.
- No laboratory integration: Does not incorporate inflammatory markers (CRP, ESR, fecal calprotectin), which may reflect subclinical inflammation.
- Extraintestinal weighting: Lumps five disparate complications into a single point, lacking nuance for patients with severe arthritis or uveitis.
- Stool frequency variability: Depends on patient recall and definition of 'liquid/soft'; not standardized across cultures.
- Limited in penetrating disease: Does not capture fistulas, abscesses, or strictures, which require imaging.
Frequently asked
Can the HBI be self-administered by the patient?
No. The HBI requires clinician assessment of general well-being (subjective but guided), abdominal palpation (objective, requires physical exam), and interpretation of extraintestinal findings. Patient-reported versions may inflate well-being and stool scores. Always administer clinician-to-patient.
What counts as a 'liquid or soft stool' for HBI scoring?
Liquid or soft stools are those without a formed consistency. Some standardization uses Bristol Stool Scale types 5–7 (soft, mushy, and liquid). Instruct the patient to distinguish from normally soft morning bowel movements; only count those associated with disease activity or objective increase in frequency.
If a patient has multiple extraintestinal features, do I score each separately?
No. The extraintestinal component of HBI is a simple count: up to 5 recognized complications (arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum) each add 1 point. Maximum extraintestinal score is 5, regardless of severity.
Is the HBI sensitive to endoscopic healing?
Moderately. HBI correlates with endoscopic severity (Spearman ρ ~0.6–0.7) but does not directly measure mucosal healing. Patients may have HBI ≤4 (clinical remission) with mild endoscopic disease, or conversely, asymptomatic patients with endoscopic activity. For assessment of mucosal healing, endoscopy with photodocumentation or fecal calprotectin is required.
How often should HBI be measured?
During induction therapy or acute flares, measure HBI every 2–4 weeks until remission achieved. In stable remission, measure every 3–6 months during routine follow-up. More frequent measurement (weekly) is reserved for research settings or hospitalized patients.
Sources
- Harvey, R. F., & Bradshaw, J. M. (1980). A simple index of Crohn's-disease activity. Lancet, 315(8167), 514. DOI: 10.1016/s0140-6736(80)92767-1 ↗
How to cite this page
ScholarGate. (2026, June 3). Harvey-Bradshaw Index for Crohn's Disease Activity. ScholarGate. https://scholargate.app/en/gastroenterology/harvey-bradshaw-index
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Child-Pugh ScoreGastroenterology↔ compare
- Crohn's Disease Activity IndexGastroenterology↔ compare
- Mayo ScoreGastroenterology↔ compare
- Short Inflammatory Bowel Disease QuestionnaireGastroenterology↔ compare
- Simple Clinical Colitis Activity IndexGastroenterology↔ compare