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Table 3 Double-blind placebo-controlled food challenge (DBPCFC) in community and outpatients

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

  Community Outpatients
  N Positive DBPCFC (%) Negative DBPCFC (%) Placebo reactor (%) Objective signs* (%) Subjective symptoms* (%) N Positive DBPCFC (%) Negative DBPCFC (%) Placebo reactor (%) Objective signs* (%) Subjective symptoms* (%)
Hazelnut 9 77.8 11.1 11.1 42.9 100 10 60 20 20 50 100
Peanut 1 100 0 0 0 100 9 66.7 22.2 11.1 50 100
Apple 5 60 0 40 33.3 66.7 8 50 12.5 37.5 0 100
Peach 2 100 0 0 0 100 1 100 0 0 0 100
Celery 1 100 0 0 100 100 0 - - - - -
Cow’s milk 0 - - - - - 1 100 0 0 0 100
Hen’s egg 0 - - - - - 1 100 0 0 0 100
  1. * This is calculated as a percentage from those with a positive DBPCFC.