Table 1.

Frequency of PI-IBS criteria (%).

	PI-IBS	Non-PI-IBS
Sudden onset	72.4	16.8
Onset during travel	34.5	2.8
Vomiting	50.1	4.4
Fever	50.6	2.4
Bloody diarrhoea	19.4	2.4
Stool culture positive	24.0	1.8

PI-IBS: post-infectious irritable bowel syndrome.