Table 5 Sensitivity, specificity, positive (PPV) and negative (NPV) predictive value of tests for the detection of specific IgE in vitro for the most common food allergens
From: Guidelines for the use and interpretation of diagnostic methods in adult food allergy
| Allergen | Sensitivity (%) | Specificity (%) | PPV (%) | VPN (%) | Diagnostic cut-off (kUA/l) |
|---|---|---|---|---|---|
| Egg | 61 | 95 | 98 | 38 | 6 |
| Milk | 57 | 94 | 95 | 53 | 15 |
| Peanut | 57 | 100 | 100 | 36 | 14 |
| Codfish | 63 | 91 | 56 | 93 | 3 |
| Soybean | 44 | 94 | 73 | 82 | 30 |
| Wheat | 61 | 92 | 74 | 87 | 26 |