Table 1.

Commonly used clinical severity indices

Clinical Items	Commonly used severity indices*
	Ulcerative colitis								Crohn's disease
	T&W	PT	CAI	LI	SCCAI	IBISS	UCSS	Mayo	CDAI	HBI	CTI	VH
Stool frequency	+		+	+	+	+	+	+	+	+	+
Nocturnal diarrhoea				+	+
Faecal incontinence				+
Urgency of defecation					+
Blood in stool	+	+	+	+	+	+	+	+
Temperature	+	+	+						+		+	+
Pulse	+
Well-being and functional status		+		+	+	+	+	+	+	+
Abdominal pain		+	+	+		+			+	+	+
Stool consistency		+										+
Anorexia		+
Nausea and vomiting		+
Abdominal Tenderness		+		+							+
Abdominal mass									+	+	+	+
Need for antidiarrhoeal drugs				+					+
Extra intestinal complications		+	+		+				+	+	+	+
Physician global assessment			+			+	+	+
Weight									+		+

*T&W, Truelove and Witts Severity Index;³⁷ PT, Powell Tuck Index;³⁶ SCCAI, Simple Clinical Colitis Activity Index;²¹LI, Lichtiger Score;³⁸ CAI, Clinical Activity Index;²³ IBISS, Improvement Based on Individual Symptom Score;³⁹ UCSS, Ulcerative Colitis Clinical Severity Score;⁴⁰ Mayo, Mayo Clinic Activity Score;²² CDAI, Crohn's Disease Activity Index;³⁰ HBI, Harvey Bradshaw Index;²⁰ VH, Van Hees Index;⁴¹ CTI, The Cape Town Index.⁴²

+ symbol indicates that the clinical item is included in the clinical index(es).