Propionyl-L-carnitine hydrochloride for treatment of mild to moderate colonic inflammatory bowel diseases

Table 1 Disease activity index evaluation according to Mayo score

	Stool frequency	Mucosal appearance	Rectal bleeding	Physician’s overall assessment of disease severity
0	Normal number of stools for the patient	Normal	None	Normal
1	1-2 stools/d more than normal	Mild friability	Streaks of blood	Mild
2	3-4 stools/d more than normal	Moderate friability	Obvious blood	Moderate
3	5 or more stools/d more than normal	Exudation, spontaneous bleeding	Mostly blood	Severe

Score subtotal on the left column.