Table II.

The HBI Scale

Variable	Result
General wellbeing as assessed on a scale of 0–4
Abdominal pain as assessed on a scale of 0–3
Number of loose stools
Abdominal mass (0 – none, 1 – questionable, 2 – present, 3 – present, tender)
Extraintestinal symptoms (1 for each symptom)
Total