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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: J Clin Immunol. 2018 Feb 17;38(3):225–233. doi: 10.1007/s10875-018-0476-0

Table 1.

Prevalence of IgE levels < LLOD in the general population

Study Cohort; n IgE <LLOD (2–2.5 IU/ml)
Smith, 1997 [30] Adults; n=420 44
Levin, 2006 [38] Pregnant adults; n=626 21
Unsworth, 2011 [15] Adults and children; n=2622 85
NHANES 2005–2006 [20, 18] US children and adults; n=8336 200
Magen, 2014 [36] Israeli adults and children; n=18,487 226
Perzanowski, 2016 [17] Swedish adults; n=964 37
Total N=31,455 N=613