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Table 4 Total serum IgE reference intervals.

From: Asthma biomarkers in the age of biologics

Age Reference interval (IU/mL)
6–12 months 2–34
1–2 years 2–97
3 years 2–199
4–6 years 2–307
7–8 years 2–403
9–12 years 2–696
13–15 years 2–629
16–17 years 2–537
≥ 18 years 2–214