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Table 1 Reference values sIgE FEIA (kU/L) and ISAC (ISU)

From: Peanut components measured by ISAC: comparison with ImmunoCap and clinical relevance in peanut allergic children

FEIA (kU/L)

ISAC (ISU)

< 0.35

Negative

< 0.3

Negative

≥ 0.35 to < 0.70

Low, class 1

 ≥ 0.3 to < 1.0

Low

≥ 0.70 to < 17.5

Moderate/high, class 2–4

≥ 1 to < 15

Moderate/high

> 17.5

Very high, class 5–6

≥ 15

Very high