Table 2.

Harvey-Bradshaw index (simple index)

Variable No.	Variable description
1	General well-being (0 = Very well; 1 = Slightly below par; 2 = Poor; 3 = Very poor; 4 = Terrible)
2	Abdominal pain (0 = None; 1 = Mild; 2 = Moderate; 3 = Severe)
3	Number of liquid stools daily
4	Abdominal mass (0 = None; 1 = Dubious; 2 = Definite; 3 = Definite and tender)
5	Complications: arthralgia, uveitis, erythema nodosum, aphthous ulcer, pyoderma gangrenosum, anal fissure, new fistula, abscess (score 1 for item)

Modified from Harvey and Bradshaw[26].