Table 1

4-point Likert scales used to assess symptoms of acute diarrhoea

	Symptom score
	0	1	2	3
General well-being	Good	Impaired	Bad	Very bad
Stool frequency	≤2	3–5	6–8	≥9
Stool consistency	Hard or normal	Somewhat loose	Runny	Watery
Blood or mucous in stool	None	Some	Moderate	Many
Flatulence	Absent	Mild	Moderate	Severe
Pain intensity	Absent	Mild	Moderate	Severe
Pain persistency	Absent	Sporadic	Prolonged with relief after defecation	Persistent
Nausea and/or vomiting	Absent	Mild	Moderate	Severe