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Table 2 Clinical characteristerics per food in patients with a probable food allergy (i.e. symptoms and specific IgE)

From: Food allergy in the Netherlands: differences in clinical severity, causative foods, sensitization and DBPCFC between community and outpatients

  Community Outpatients
   Symptoms Time interval sIgE food Birch IgE*   Symptoms Time interval sIgE food Birch IgE*
  N OAS (%) skin (%) GI (%) Resp (%) Cardio (%) Anaph (%) <5 min 5-30 min 30-120 min >2 hrs Median (Range) (%) N OAS (%) skin (%) GI (%) Resp (%) Cardio (%) Anaph (%) <5 min 5-30 min 30-120 min >2 hrs Median (range) (%)
Hazelnut 33 90.9 27.3 6.1 42.4 0 0 84.8 9.4 6.3 0 12.5 (0.47-74.99) 72.7 36 97.2 27.8 27.8 47.2 2.8 5.6 86.1 13.9 0 0 23.37 (0.65-196.54) 97.2
Peanut 3 66.7 33.3 33.3 33.3 0 0 50 50 0 0 2.63 (0.60-5.58) 100 27 88.9 59.3 29.6 48.1 0 0 77.8 22.2 0 0 2.21 (0.35-321.78) 85.2
Walnut 2 100 50 50 50 0 0 100 0 0 0 1.04 (0.51-1.58) 100 15 93.3 60 20 26.7 6.7 6.7 93.3 0 6.7 0 5.53 (0.36-27.56) 93.3
Apple 33 97 24.2 21.2 24.2 0 0 75.8 21.2 3 0 1.49 (0.37-21.18) 69.7 51 100 28 16 30 0 0 77.6 22.4 0 0 2.03 (0.42-31.19) 100
Peach 22 95.5 31.8 13.6 27.3 0 0 77.3 18.2 4.5 0 2.00 (0.53-12.91) 72.7 36 97.1 31.4 17.1 37.1 0 0 77.1 22.9 0 0 3.79 (0.59-44.56) 100
Kiwi 6 100 33.3 16.7 16.7 0 0 100 0 0 0 1.07 (0.40-11.21) 83.3 26 96.2 19.2 19.2 26.9 0 0 80 20 0 0 1.67 (0.35-152.57) 88.5
Cow’s milk 0 - - - - - - - - - - - - 4 50 50 50 25 25 25 50 25 0 0 10.05 (0.43-34.12) 50
Hen’s egg 0 - - - - - - - - - - - - 4 75 50 50 25 0 25 25 50 25 0 1.68 (0.40-3.04) 75
  1. OAS = oral allergy symptoms, GI = gastro-intestinal, Resp = respiratory, cardio = cardiovascular, anaph = anaphylaxis.
  2. *Birch sIgE = sIgE birch ≥0.35.
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