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Table 2
Presenting symptoms of all 124 eligible children
Symptom		Number of patients (%)
*Gastrointestinal tract*
	Vomiting	30 (24.2%)
	Diarrhea	17 (13.7%)
	Constipation	14 (11.3%)
	Colic	24 (19.4%)
	Bloody stool	17 (13.7%)
	Abdominal pain	3 (2.4%)
	Feeding problems	15 (12.1%)^†
*Respiratory tract*
	Dyspnea and wheezing	13 (10.5%)
*Skin manifestations*
	Eczema	50 (40.3%)
	Swelling	5 (4.0%)^‡
	Urticaria	3 (2.4%)
	Erythematous exanthema	10 (8.1%)
*Other*
	Excessive crying	59 (47.6%)
	Positive family history	8 (6.5%)*

^† Feeding problems were significantly more often present in the DBPCFC-negative group (p=0.046).

‡ Swelling was significantly more often present in the DBPCFC-positive group (p=0.023).

*In these 8 children the positive family history was one of the reasons for performing the double-blind placebo-controlled food challenge. In total 65 children (52.4%) had a positive family history.

Dambacher et al. Nutrition Journal 2013 12:22 doi:10.1186/1475-2891-12-22

Table 2