Table 1.

Harvey-Bradshaw Index (HBI).

General Well-Being (Previous Day)	0 (Very Well)	1 (Slightly Below Par)	2 (Poor)	3 (Very Poor)	4 (Terrible)
Abdominal pain	0 (none)	1 (mild)	2 (moderate)	3 (severe)
Number of liquid or soft stools per day (previous day)
Complications (score 1 per item)	Arthritis/ arthralgia	Iritis/ uveitis	Erythema nodosum/ aphthous ulcers/Pyoderma gangrenosum	Anal fissure new fistula/ abscess
Abdominal mass	0 (none)	1 (dubious)	2 (definite)	3 (definite + tender)

Remission ≤ 4 points; mild disease 5–6 points; moderate disease 6–12 points; severe disease > 12 points.