TABLE 3.

Ulcerative colitis (UC) disease activity assessment indices

Index name	Abbreviation	Range	Variables
Clinical activity index	CAI	0–29	Number of stools
			Blood in stools
			Investigator's global assessment of symptomatic state
			Abdominal pain or cramps
			Temperature due to colitis
			Extraintestinal manifestations
			Laboratory findings (erythrocyte sedimentation rate, hemoglobin)
Disease activity index	DAI	0–12	Stool frequency
			Rectal bleeding
			Mucosal appearance
			Physician's rating of disease activity
Endoscopic index	EI	0–12	Granulation scattering reflected light
			Vascular pattern
			Vulnerability of mucosa
			Mucosal damage (mucus, fibrin, exsudates, erosions, ulcer)
Mayo clinic score	MCS	0–12	Stool frequency
			Rectal bleeding
			Findings of flexible proctosigmoidoscopy
			Physician's global assessment
Modified Mayo disease activity index	MMDAI	0–12	Bowel frequency
			Rectal bleeding
			Physician's global assessment
			Endoscopy/sigmoidoscopy finding
Ulcerative colitis disease activity index	UCDAI	0–12	Stool frequency
			Rectal bleeding
			Mucosal appearance
			Physician's rating of disease activity