Table 4.

Peanut allergic population characteristics challenged to tree nut (n=46)

Characteristic (n=46)
Male, no. (%)	24 (52)
Mean age at peanut allergy diagnosis, years (median)	2.5 (2.0)
Mean age at initial tree nut oral food challenge, years (median)	10.2 (10.4)
Symptom at initial peanut allergy presentation
Anaphylaxis, no. (%)	12 (26)
Skin symptoms (hives, itching, flushing, rash), no. (%)	43 (93)
Facial swelling, no. (%)	13 (28)
Oropharyngeal symptoms (tongue or throat pruritus/swelling), no. (%)	6 (13)
Respiratory symptoms (cough, wheezing, shortness of breath), no. (%)	7 (15)
Vomiting, no. (%)	14 (30)
Tree nut allergic, no. (%)	9 (20)
Tree nut sensitized (no clinical symptoms), no. (%)	30 (65)
Avoiding tree nut despite negative testing, no. (%)	7 (15)
Atopic dermatitis, no. (%)	21 (46)
Allergic rhinitis, no. (%)	33 (72)
Asthma, no. (%)	20 (43)
Initial mean peanut SPT wheal size, mm (median)	9.7 (10.0)
Most recent mean peanut SPT wheal size, mm (median)	9.0 (9.0)
Initial mean peanut sIgE, kUA/L (median)	31.4 (3.0)
Most recent mean peanut sIgE, kUA/L (median)	39.3 (8.0)