Food intolerance and skin prick test in treated and untreated irritable bowel syndrome

Table 4 History of allergies and food intolerance, n (%)

	Treated	Untreated	Control	P	P	P
	(n =44)	(n =31)	(n =30)	value a	value c	value e
History of allergies	25 (56.8)	21 (67.7)	9 (30.0)	0.017	NS	0.008
Atrophy	5 (11.4)	5 (16.1)	2 (22.2)
Asthma	3 (6.8)	2 (6.5)	-
Rhinitis	10 (22.7)	7 (22.6)	5 (55.6)
Eczema	4 (9.1)	5 (16.1)	3 (33.3)
Hives	4 (9.1)	7 (22.6)	-
Reported food intolerance	36 (81.8)	27 (87.1)	23 (76.7)	NS	NS	NS
Dairy products	24 (54.5)	17 (54.8)	11 (36.7)
Coffee	13 (29.5)	7 (22.6)	6 (20.0)
Alcohol	16 (36.4)	15 (48.4)	15 (50.0)
Cold, raw foods	15 (34.1)	10 (32.3)	8 (26.7)
Spicy foods	17 (38.6)	6 (19.4)	8 (26.7)
Others	10 (22.7)	3 (9.7)	1 (3.3)

^aP < 0.05 by χ²-test; ^cP < 0.05 by χ²-test between treated and untreated patients; ^eP < 0.05 by χ²-test between IBS patients and controls.